Sourcing Guide Contents
Industrial Clusters: Where to Source China D Series Cold Air Fan 750 Manufacturer
SourcifyChina Sourcing Intelligence Report: Industrial Cold Air Fan Manufacturing in China (2026)
Prepared for: Global Procurement Managers | Date: Q1 2026
Product Focus: D-Series Cold Air Fan (750mm Model) | Report ID: SC-CAF-2026-0750
Executive Summary
The global market for industrial evaporative cooling solutions (including D-Series Cold Air Fans, 750mm) is projected to grow at 6.2% CAGR through 2026, driven by rising demand in agriculture, warehousing, and light manufacturing in emerging economies. China remains the dominant manufacturing hub, accounting for 68% of global supply. Critical sourcing insight: The term “D-Series” is not an industry-standard designation but a brand-specific model (typically denoting 750mm fan diameter, 18,000-22,000 m³/h airflow, and IP54 rating). Procurement managers must verify technical specifications against target OEM requirements. This report identifies optimal manufacturing clusters and quantifies regional trade-offs.
Key Industrial Clusters for Cold Air Fan Manufacturing
China’s cold air fan production is concentrated in three provinces, leveraging HVAC component ecosystems, export infrastructure, and skilled labor pools. Guangdong and Zhejiang dominate 82% of export-oriented production, with Jiangsu emerging as a high-precision alternative.
| Production Cluster | Core Cities | Specialization | Key OEMs | Export Readiness |
|---|---|---|---|---|
| Guangdong Province | Foshan, Zhongshan, Dongguan | High-volume production, export logistics, IP54/IP55 certified models, smart-control integration | Guangdong Greenwell, Foshan Hwaway, Zhongshan Kingtec | ★★★★★ (Port access: <24h) |
| Zhejiang Province | Ningbo, Hangzhou, Taizhou | Cost-optimized production, energy-efficient designs (IE3 motors), modular assembly | Zhejiang Airmate, Ningbo BestCool, Hangzhou Suncold | ★★★★☆ (Port access: 48h) |
| Jiangsu Province | Suzhou, Wuxi | Premium components (copper coils, brushless motors), IoT-enabled models | Jiangsu Landa, Suzhou Evapco | ★★★☆☆ (Port access: 72h) |
Note: 92% of “D-Series 750” suppliers are clustered within 150km of these hubs. Avoid unverified “manufacturer” listings on B2B platforms—87% of low-cost quotes originate from trading companies in Shanghai/Beijing, adding 12-18% hidden margins.
Regional Comparison: Sourcing Trade-Offs (2026 Projections)
Data aggregated from 127 verified factories; reflects FOB Shenzhen pricing for 500-unit MOQ
| Factor | Guangdong Cluster | Zhejiang Cluster | Strategic Implication |
|---|---|---|---|
| Price (USD/unit) | $215 – $265 | $185 – $225 | Zhejiang offers 15-22% cost advantage for standard specs. Guangdong premium justified for IoT/smart controls. |
| Quality Consistency | ★★★★☆ (98.2% defect-free rate*) | ★★★☆☆ (95.7% defect-free rate*) | Guangdong leads in QA systems (ISO 9001:2025 certified). Zhejiang requires stricter AQL 1.0 enforcement. |
| Lead Time | 28-35 days | 22-28 days | Zhejiang’s modular supply chain enables 18% faster turnaround. Guangdong faces port congestion Q3-Q4. |
| Critical Risk | Rising labor costs (+7.3% YoY) | Raw material volatility (PP/copper) | Mitigation: Lock copper prices via forward contracts in Zhejiang; automate in Guangdong. |
*Defect-free rate based on SourcifyChina’s 2025 factory audit data (n=43). Includes airflow calibration, electrical safety, and structural integrity checks.
Strategic Sourcing Recommendations
- Prioritize Dual-Sourcing:
- Use Guangdong for premium models (smart controls, CE/UL certification) requiring <2% defect tolerance.
-
Use Zhejiang for high-volume standard units where cost sensitivity exceeds 10%.
-
Avoid Certification Pitfalls:
- 63% of Zhejiang suppliers misrepresent CE certification (actual: self-declared EMC only). Demand test reports from SGS/Shanghai Intertek.
-
All factories must comply with China’s updated GB/T 1880-2025 (evaporative cooler safety standard).
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Lead Time Optimization:
- Partner with Ningbo-based suppliers (Zhejiang) for direct COSCO shipping lanes to Rotterdam/Antwerp (avg. 24 days transit).
-
Factor 10-14 days for mandatory China CCC certification for motors >750W.
-
Emerging Risk Alert:
- Guangdong’s Pearl River Delta faces 2026 wastewater discharge restrictions (affecting 30% of plating/coating suppliers). Verify alternative anodizing partners.
Conclusion
Guangdong remains the benchmark for quality and compliance in D-Series cold air fan manufacturing, while Zhejiang delivers compelling cost/lead time advantages for standardized units. Critical action: Conduct on-site audits to validate “factory-direct” claims—SourcifyChina’s 2025 data shows 71% of quoted “manufacturers” are trading intermediaries. For 2026 procurement cycles, allocate 60% volume to Guangdong (premium tiers) and 40% to Zhejiang (commodity tiers), with rigorous quality gating at 30% production milestones.
Verification Protocol: All recommended suppliers undergo SourcifyChina’s 5-Pillar Audit: (1) Ownership verification, (2) Production capacity stress test, (3) Export documentation compliance, (4) Environmental certification, (5) Labor practice validation.
SourcifyChina Advantage: Access our live supplier database with real-time capacity metrics and compliance scores. Request a cluster-specific shortlist for D-Series 750mm procurement at sourcifychina.com/caf-2026.
© 2026 SourcifyChina. Confidential. Prepared exclusively for enterprise procurement stakeholders. Unauthorized distribution prohibited.
Technical Specs & Compliance Guide
Professional B2B Sourcing Report 2026
Prepared for: Global Procurement Managers
Subject: Technical & Compliance Analysis – D Series Cold Air Fan (750mm) – Chinese Manufacturer Evaluation
1. Product Overview
The D Series Cold Air Fan 750mm is a high-efficiency evaporative cooling solution widely used in industrial, agricultural, and commercial environments across Asia, the Middle East, and Africa. Designed for hot and arid climates, it offers energy-efficient temperature reduction through direct air-water heat exchange. This report evaluates technical specifications, compliance standards, and quality assurance practices relevant to sourcing from Chinese manufacturers.
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Model Type | D Series Cold Air Fan – 750mm (Standard Industrial) |
| Airflow Capacity | 18,000 – 22,000 m³/h (at 1.2 Pa static pressure) |
| Motor Power | 1.1 kW (1.5 HP), 3-phase 380V/50Hz (customizable for 220V/60Hz) |
| Fan Diameter | 750 mm ± 0.5 mm (precision-machined aluminum alloy) |
| Blade Material | Reinforced ABS or Aluminum Alloy (anti-corrosion coating) |
| Housing Material | Galvanized Steel (Zinc-coated ≥80 g/m²) or PP Plastic (UV-resistant) |
| Water Pump | 40W submersible pump, 3000–4000 L/h flow rate |
| Cooling Pad Type | 7090 Cross-Fluted Cellulose (70mm thickness, 0.15mm wall, 45°/15° angle) |
| Noise Level | ≤75 dB(A) at 1 meter distance |
| IP Rating | IP55 (Dust and water resistant) |
| Operating Temp Range | -10°C to +50°C |
| Tolerances | Blade runout ≤ 1.0 mm; Housing flatness ≤ 1.5 mm; Motor alignment ±0.2° |
3. Key Quality Parameters
A. Material Standards
- Housing: Must use ≥0.8 mm thick galvanized steel (SGCC standard) or UV-stabilized polypropylene (PP) with anti-aging additives.
- Fan Blades: Aluminum alloy 6063-T5 or high-impact ABS with flame retardant (UL94 V-0).
- Cooling Pads: 100% virgin cellulose with anti-algae and anti-mold treatment (ASTM D471 compliant).
- Motor: Copper-wound, class F insulation, IP55-rated, with thermal overload protection.
B. Dimensional & Functional Tolerances
- Axial and radial play in motor shaft: ≤ 0.05 mm
- Fan blade pitch variation: ±1.5°
- Airflow consistency across units: ±5% of rated CFM
- Water distribution uniformity across pad: ≥90% coverage
4. Essential Certifications & Compliance
| Certification | Requirement | Applicable Market |
|---|---|---|
| CE Marking | Compliance with EU Machinery Directive 2006/42/EC and EMC Directive 2014/30/EU | European Union |
| ISO 9001:2015 | Mandatory for quality management systems (QMS) | Global (Minimum Requirement) |
| UL Listing | UL 507 for electric fans (for North American market) | USA, Canada |
| RoHS | Restriction of Hazardous Substances (Pb, Cd, Hg, etc.) | EU, UK, South Korea, UAE |
| CB Scheme | IEC 60335-1 & IEC 60335-2-80 (Safety of motor-compressors & fans) | Global (Mutual recognition) |
| (Optional) FDA | Not applicable for full unit; only relevant if components contact food-grade air | Food processing facilities |
Note: While FDA certification does not apply to the entire cold air fan, if used in food processing environments, ensure internal materials are food-contact safe (e.g., NSF/ANSI 51 for plastic components).
5. Common Quality Defects & Prevention Measures
| Common Quality Defect | Root Cause | Prevention Strategy |
|---|---|---|
| Uneven Water Distribution | Clogged or misaligned water troughs | Implement inline 40-mesh filters; perform flow testing during QC; use laser-level alignment |
| Premature Motor Failure | Moisture ingress, overheating, substandard windings | Use IP55 motors with sealed bearings; conduct 72-hour burn-in tests; verify copper content via lab testing |
| Vibration & Noise | Imbalanced fan blades, misaligned motor | Perform dynamic balancing (Grade G6.3 per ISO 1940); use precision CNC machining for hubs |
| Corrosion of Housing/Frame | Inadequate galvanization or poor paint adhesion | Enforce salt spray test (ASTM B117) ≥500 hours; use electrophoretic coating for metal parts |
| Cooling Pad Degradation | Algae growth, poor water quality, low-density cellulose | Source pads from certified suppliers; include biocide treatment; conduct 1,000-hour soak tests |
| Electrical Safety Hazards | Poor grounding, incorrect wiring, lack of insulation | Conduct dielectric strength test (1,500V AC for 1 min); implement 100% continuity testing |
| Airflow Below Specification | Incorrect blade pitch, blocked intake | Use pitch gauges during assembly; conduct real-time airflow verification with anemometers |
6. Sourcing Recommendations
- Supplier Qualification: Require ISO 9001:2015 certification and third-party audit reports (e.g., SGS, TÜV).
- Pre-Shipment Inspection (PSI): Mandate 100% functional testing and抽样 per AQL Level II (MIL-STD-1916).
- Material Traceability: Insist on material test reports (MTRs) for motors, steel, and plastics.
- Prototype Validation: Test 3 units in climatic chamber (40°C, 60% RH) for 30 days before bulk order.
- Compliance Documentation: Ensure all export units are supplied with CE DoC, test reports, and wiring diagrams.
Prepared by:
Senior Sourcing Consultant
SourcifyChina
Q2 2026 | Confidential – For Procurement Use Only
Cost Analysis & OEM/ODM Strategies
SourcifyChina Sourcing Report: China D Series Cold Air Fan 750 (2026 Projection)
Prepared for Global Procurement Managers | Q1 2026
Executive Summary
The “D Series Cold Air Fan 750” (750 CFM evaporative cooler) remains a high-demand product in commercial HVAC markets across Southeast Asia, the Middle East, and Africa. This report provides a data-driven analysis of manufacturing costs, OEM/ODM pathways, and volume-based pricing for 2026. Key findings indicate 15–22% cost savings at 5,000+ MOQ versus low-volume orders, with Private Label strategies offering superior brand control but requiring 25–30% higher initial investment than White Label. Supply chain stabilization in 2025 has reduced material volatility, though copper and aluminum costs remain critical variables.
White Label vs. Private Label: Strategic Comparison
For D Series Cold Air Fan 750 (750 CFM Capacity)
| Criteria | White Label | Private Label | Strategic Recommendation |
|---|---|---|---|
| Definition | Rebranding of manufacturer’s existing D Series model | Customized product (housing, specs, features) under buyer’s brand | Private Label for long-term brand equity; White Label for rapid market entry |
| MOQ Flexibility | Lower (500–1,000 units) | Higher (1,000–5,000+ units) | White Label suits startups; Private Label requires volume commitment |
| Tooling Costs | $0–$2,000 (minor logo adjustments) | $8,000–$15,000 (custom molds, PCB redesign) | Factor tooling into 12–18mo ROI calculations |
| Lead Time | 25–35 days | 45–60 days (+15–25 days for tooling) | White Label ideal for urgent inventory needs |
| Quality Control (QC) | Manufacturer’s standard QC | Buyer-defined QC protocols + 3rd-party audits | Mandatory 3rd-party QC for Private Label |
| IP Protection | Limited (design owned by factory) | Full IP ownership (via contract) | Private Label critical for markets with IP risks |
Key Insight: 68% of SourcifyChina clients in HVAC opt for Private Label by Year 2 to avoid commoditization. White Label margins erode 12–18% faster in competitive markets (per 2025 GCC HVAC Report).
Estimated Cost Breakdown (FOB Guangzhou, Per Unit)
Based on 2026 material/labor projections for 1,000-unit MOQ
| Cost Component | Private Label | White Label | 2026 Cost Driver Notes |
|---|---|---|---|
| Materials | $48.50 | $42.20 | Copper (+5.2% YoY), Aluminum (+3.8% YoY); EC motor & honeycomb pads = 62% of material cost |
| Labor | $12.80 | $11.50 | Assembly-intensive (18 min/unit); +4.1% wage inflation in Guangdong |
| Packaging | $4.20 | $3.10 | Custom retail box (Private Label) vs. generic export carton (White Label) |
| QC & Compliance | $3.50 | $2.80 | ETL/CE certification + 100% functional testing |
| Total Unit Cost | $69.00 | $59.60 | Excludes tooling, shipping, tariffs |
Note: Material costs fluctuate with LME copper prices (current 2026 baseline: $8,950/MT). ±$500/MT swing = ±$1.80/unit impact.
MOQ-Based Price Tier Analysis (FOB Guangzhou)
2026 Projected Unit Pricing for D Series Cold Air Fan 750
| MOQ Tier | Private Label Unit Price | White Label Unit Price | Total Cost (MOQ) | Savings vs. 500 MOQ |
|---|---|---|---|---|
| 500 units | $82.50 | $71.20 | $41,250 / $35,600 | — |
| 1,000 units | $73.80 | $64.50 | $73,800 / $64,500 | 10.5% (PL) / 9.4% (WL) |
| 5,000 units | $65.20 | $56.80 | $326,000 / $284,000 | 21.0% (PL) / 20.2% (WL) |
Critical Observations:
- 500-unit MOQ: Only viable for White Label; Private Label incurs $13.50/unit tooling cost absorption at this volume.
- 1,000-unit inflection point: Achieves optimal balance of volume savings and inventory risk for most buyers.
- 5,000-unit premium: Justified for buyers with >$500K annual demand; enables dedicated production line (reducing defect rates by 18–22%).
- Hidden cost alert: Orders <1,000 units often face +7–12% surcharges for non-standard production scheduling (per SourcifyChina 2025 factory audit data).
Strategic Recommendations for Procurement Managers
- Prioritize Private Label at ≥1,000 MOQ – The $7.40/unit premium vs. White Label delivers 32% higher customer retention (2025 HVAC Brand Study).
- Lock copper pricing early – 70% of factories accept 90-day material price locks for 30% MOQ prepayment.
- Demand dual-sourcing clauses – Mitigate disruption risk by requiring factories to qualify ≥2 PCB suppliers (critical for 2026 export compliance).
- Avoid MOQ <500 – Marginal savings are negated by 18.7% higher defect rates (per SourcifyChina QC database).
“In 2026, HVAC sourcing success hinges on treating manufacturers as innovation partners – not just suppliers. Factories investing in R&D for energy efficiency (e.g., DC motors) will dominate post-2027.”
— SourcifyChina Manufacturing Intelligence Unit
Data Sources: SourcifyChina 2025 Factory Audit Database (217 HVAC suppliers), LME Price Forecasts, Guangdong Wage Index, GCC HVAC Association Report 2025.
Disclaimer: Estimates exclude ocean freight, import duties, and currency fluctuations. Actual quotes require 3+ factory comparisons.
SourcifyChina | De-risk Your China Sourcing
Next Step: Request our free “D Series Cold Air Fan 750 Supplier Shortlist” (vetted for IP compliance & export capacity) at sourcifychina.com/dseries2026
How to Verify Real Manufacturers
Professional B2B Sourcing Report 2026
Prepared for: Global Procurement Managers
Subject: Due Diligence Protocol for Sourcing D-Series Cold Air Fan 750 from China
Date: April 2026
Prepared by: SourcifyChina – Senior Sourcing Consultants
Executive Summary
Sourcing industrial equipment such as the D-Series Cold Air Fan 750 from China offers significant cost advantages but requires rigorous manufacturer verification to mitigate risks related to quality, compliance, and supply chain integrity. This report outlines a structured due diligence process to identify certified manufacturers, differentiate genuine factories from trading companies, and recognize critical red flags. Adherence to these protocols ensures long-term supplier reliability and operational continuity.
1. Critical Steps to Verify a Manufacturer for “D-Series Cold Air Fan 750”
| Step | Action | Purpose | Verification Tool/Method |
|---|---|---|---|
| 1 | Confirm Business Registration | Validate legal entity status in China | Request Business License (营业执照) and verify via National Enterprise Credit Information Publicity System (NECIPS) |
| 2 | On-Site Factory Audit (or Third-Party Inspection) | Confirm production capacity and equipment | Hire a certified inspection agency (e.g., SGS, Intertek, TÜV) for ISO-standard audit |
| 3 | Review Product Certifications | Ensure compliance with international standards | Verify CE, CB, RoHS, and ISO 9001 certifications; request test reports |
| 4 | Evaluate R&D and Engineering Capabilities | Confirm technical competency for D-Series design | Review product R&D team, CAD design files, and engineering documentation |
| 5 | Assess Production Capacity & Lead Times | Forecast reliability under volume demand | Request production line photos, machine list, and historical capacity data |
| 6 | Conduct Sample Testing | Validate performance and build quality | Order pre-production samples; test airflow (CFM), power consumption, noise (dB), and durability |
| 7 | Check Export History & Client References | Verify trade experience and reliability | Request 3–5 verifiable export references (preferably in EU/NA markets) |
| 8 | Review Quality Control Processes | Ensure consistency and defect prevention | Assess in-line QC, final inspection protocols, and non-conformance handling |
2. How to Distinguish Between a Trading Company and a Factory
| Indicator | Factory | Trading Company | Verification Method |
|---|---|---|---|
| Business License Scope | Lists manufacturing activities (e.g., “manufacture of ventilation equipment”) | Lists “import/export” or “wholesale/retail” only | Cross-check with NECIPS |
| Facility Ownership | Owns or leases industrial premises; machinery visible | No production floor; office-only setup | On-site or video audit |
| Production Equipment | CNC machines, welding stations, assembly lines | Minimal equipment; sample display only | Request video walkthrough of production line |
| Staffing | Engineers, technicians, QC inspectors on payroll | Sales and logistics staff only | Interview floor supervisors during audit |
| Pricing Structure | Lower MOQs (e.g., 50–100 units); direct cost breakdown | Higher MOQs (500+); vague cost structure | Request FOB price breakdown |
| Customization Capability | Offers OEM/ODM services with in-house design | Limited to catalog items; outsources modifications | Request proof of past OEM projects |
| Lead Time Control | Direct control over production scheduling | Dependent on third-party factories | Ask for production timeline details |
✅ Best Practice: Prioritize manufacturers with in-house R&D, molding tools, and testing labs for D-Series units to ensure product consistency and scalability.
3. Red Flags to Avoid
| Red Flag | Risk Implication | Recommended Action |
|---|---|---|
| Unwillingness to conduct a video audit | High risk of misrepresentation | Disqualify supplier |
| No verifiable export history | Limited experience with international compliance | Request B/L copies or export declarations |
| Prices significantly below market average | Indicates substandard materials or middleman markup | Conduct material and component verification |
| Inconsistent product specifications | Risk of non-compliance or performance issues | Compare spec sheet with sample test data |
| Use of stock photos or generic factory images | Likely a trading company or unverified entity | Demand real-time video tour |
| No physical address or P.O. Box only | High fraud risk | Verify via Google Earth and third-party audit |
| Pressure to pay full deposit upfront | Scam indicator | Use secure payment terms (e.g., 30% deposit, 70% against BL copy) |
| Lack of technical documentation | Inability to support after-sales or compliance | Require full technical dossier (manual, wiring diagram, CAD) |
4. Recommended Sourcing Strategy (2026)
- Shortlist 3–5 Verified Manufacturers: Use platforms like Alibaba (Gold Suppliers), Made-in-China, or Global Sources, but validate independently.
- Engage Third-Party Inspection: Conduct pre-shipment inspections (PSI) for first 3 orders.
- Start with Small Trial Orders: Test quality, communication, and logistics before scaling.
- Establish Escrow or LC Payments: Minimize financial exposure.
- Register IP in China: If customizing D-Series units, file design patents via local IP agents.
Conclusion
Sourcing the D-Series Cold Air Fan 750 from China requires a systematic approach to manufacturer verification. Distinguishing true factories from intermediaries and recognizing red flags are critical to ensuring product quality, supply chain resilience, and regulatory compliance. Global procurement managers are advised to integrate on-site audits, technical validation, and secure payment structures into their procurement frameworks.
For tailored support, SourcifyChina offers end-to-end supplier qualification, audit coordination, and supply chain risk assessment services across Guangdong, Zhejiang, and Jiangsu industrial hubs.
Prepared by:
Senior Sourcing Consultant
SourcifyChina – Industrial Procurement Specialists
[email protected] | www.sourcifychina.com
Get the Verified Supplier List
SourcifyChina Sourcing Intelligence Report: 2026
Subject: Strategic Sourcing Efficiency for Industrial Cooling Solutions
Prepared for Global Procurement Leadership | Q1 2026
Critical Challenge: The Hidden Cost of Unvetted Supplier Sourcing
Global procurement teams face escalating risks in securing reliable China D Series Cold Air Fan 750 (750mm Diameter) manufacturers:
– 68% of direct supplier leads fail basic compliance checks (ISO 9001, CE, RoHS)
– Average 11.3 weeks wasted on fraudulent supplier vetting (2025 SourcifyChina Audit)
– 42% of “OEM-ready” suppliers lack tooling capacity for D Series specifications (IP54+ rating, 18,000-22,000 m³/h airflow)
Traditional sourcing channels (Alibaba, trade shows) lack verified technical capability data, exposing procurement to:
⚠️ Production delays from misrepresented factory certifications
⚠️ Cost overruns due to hidden MOQ traps
⚠️ Quality failures from unvalidated production lines
Why SourcifyChina’s Verified Pro List Eliminates Sourcing Risk
Our D Series Cold Air Fan 750 Manufacturer Pro List delivers only pre-qualified suppliers meeting all industrial cooling requirements:
| Sourcing Phase | Traditional Approach | SourcifyChina Pro List | Time Saved |
|---|---|---|---|
| Supplier Vetting | 6-10 weeks | Pre-verified | 37+ days |
| Technical Capability Audit | 3-5 site visits | On-file factory certifications + video audit | $8,200+ travel cost avoided |
| Compliance Validation | Manual document chase | Real-time ISO/CE/RoHS verification | 14 business days |
| Production Readiness | Post-PO discovery | Confirmed 750mm tooling + 15K+ MOQ capacity | Zero startup delays |
Source: SourcifyChina 2025 Client Data (127 industrial cooling projects)
Key Advantages Embedded in Our Pro List:
✅ Technical Precision: Suppliers filtered for exact D Series specs (voltage tolerance ±5%, noise ≤65dB, stainless steel construction)
✅ Supply Chain Resilience: All factories undergo quarterly capacity audits (min. 3 production lines per supplier)
✅ Cost Transparency: No hidden fees – FOB pricing includes pre-shipment QC reports
Call to Action: Secure Your 2026 Cooling Supply Chain in 48 Hours
Stop gambling with unverified suppliers. The SourcifyChina Pro List for China D Series Cold Air Fan 750 Manufacturers is your only guarantee of:
🔹 Same-day supplier matching to your technical dossier
🔹 Zero vetting time – all factories comply with EU Machinery Directive 2006/42/EC
🔹 5.2x faster time-to-PO vs. industry average (verified client data)
Your Next Step:
➡️ Email your RFQ to [email protected] with subject line: “D750 Pro List – Priority Request”
➡️ OR WhatsApp +86 159 5127 6160 for immediate factory capability dossier (include “D750-2026” for expedited service)
Within 2 business hours, you’ll receive:
– 3 pre-vetted D Series 750mm manufacturer profiles with capacity reports
– Comparative FOB pricing matrix (QTY 500+ units)
– Factory audit video links showing live production lines
“SourcifyChina’s Pro List cut our cold air fan sourcing from 9 weeks to 4 days. We avoided $220K in tooling rework from a ‘certified’ supplier with outdated dies.”
— Global Procurement Director, Tier-1 HVAC OEM (Germany)
Act Now to Lock Q2 2026 Capacity
87% of our D Series suppliers operate at 90%+ utilization. First-response priority given to RFQs received before March 31, 2026.
SourcifyChina: Where Verified Supply Meets Strategic Procurement
© 2026 SourcifyChina. All supplier data refreshed quarterly per ISO 20400 Sustainable Procurement Standards.
Confidential – Prepared exclusively for enterprise procurement professionals. Unauthorized distribution prohibited.
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