Liquid Cooling Solution Manufacturer

About QINFENG

Valve and fittings manufacturer headquartered in Wenzhou – China's 'Valve Capital' – with a second base in Anhui. Portfolio: ball valves, butterfly valves, check valves, energy regulating valves, and CDU piping and secondary loop piping. Diversified finishes, materials (304/316L, etc.), and international standards (DIN, 3A, ISO, BPE, etc.). Specialized liquid cooling solutions for data centers.

46000 + m²

Total Manufacturing Floor(Wenzhou & Anqing)

40 +

R&D Engineers

1.8M + Units/Year

Valves & Piping Capacity

500 +

Skilled Personnel & Engineers

From a Small Workshop to Global Liquid Cooling Partner

18 years of steady progress. Started in 2008 making sanitary-grade valves for food and pharma — where zero contamination was non-negotiable. The same commitment now drives our liquid cooling solutions.

Read Our Brand Story

Precision Through Expertise

Behind every product we ship is a team committed to precision, quality, and customer success.

40+ R&D Engineers

Over 40 engineers focused on valve design, material science, and fluid dynamics — ready to address your specific application requirements.

ISO 3834 Certified Welders

Our ISO 3834-certified welding team ensures every fully welded joint meets international structural integrity standards.

Quality Inspection Team

All our valves undergo pressure and leak testing — including helium mass spectrometry — before leaving the factory.

Engineer-to-Engineer Support

Your technical team communicates directly with our technical team. No sales scripts — only accurate specifications and practical support.

Certified Quality

Our manufacturing and welding processes are certified to ISO 9001, ISO 3834, CE/PED, 3-A sanitary standards, and independently verified by TÜV. As a National High-Tech Enterprise with over 48 patents, we participate in the development of national industry standards. You can trust that every QINFENG product meets globally recognized benchmarks.