Established in 1993, our factory operates with a registered capital of RMB 2.1 million. Our annual production capacity reaches 100,000 units of various valves, 10,000 units of air outlets, and 5,000 sets of silencers.

We specialize in manufacturing a comprehensive range of HVAC components, including fire dampers, smoke exhaust dampers (and outlets), air supply outlets, regulating valves, butterfly valves, silencers, acoustic elbows, and aluminum alloy air outlets. Among our core products, the fire dampers and smoke exhaust dampers represent a new generation designed by domestic experts in full compliance with national standards. These products have passed all tests conducted by regional inspection centers, confirming their full compliance with local standards. Furthermore, our silencers, tested by the Acoustics Laboratory of Tongji University in Shanghai, have demonstrated performance at the advanced domestic level.

Our products are widely used in ventilation and smoke extraction systems for various industrial and civil buildings. Compared to other domestic manufacturers, our products are recognized for their high sensitivity, reliable operation, and low air leakage, making them highly popular among our extensive customer base.

Our production equipment and testing instruments are state-of-the-art. We successfully obtained ISO 9001 International Quality Management System certification in March 2002. We have established a robust sales and distribution network, with offices located in Wenzhou, Guizhou, Hangzhou, Shanghai, Taizhou, and other locations.

Accolades and Certifications:

In 1995, we were recognized by the Provincial Fire Bureau as an "Advanced Enterprise with a Quality Assurance System" for the years 1993 and 1994.

In 1999, we were awarded "Trusted Product Unit" by the Provincial Installation Association.

In 2000, we were designated as a "Provincial Unit for Product Quality Excellence under Designated Supervision and Tracking" by the Zhejiang Province Office for the Implementation of the "Product Quality Law."

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