CHENGDA.CHENGDA Company is located in Oubei Town, Wenzhou—China's Pump and Valve Capital—and is a specialized manufacturer with over two decades of valve production experience. The company primarily manufactures a diverse range of valves, including wear-resistant ball valves, hard-sealed ball valves, eccentric half-ball valves, ash discharge valves, silica powder valves, coal chemical valves, fixed fire-resistant ball valves, GB/ASME/JIS soft-sealed floating ball valves, high-pressure butt-weld ball valves, three-piece ball valves, Guangzhou-style ball valves, pneumatic ball valves, hard-sealed butterfly valves, and needle valves. Adhering to a people-oriented approach and pursuing technological innovation, the company established the Chengda Training Center and Product R&D Center. Since 1996, it has successfully developed various metal-sealed butterfly valves and metal-sealed ball valves, securing multiple patents. Its technological capabilities are among the most advanced domestically and internationally, effectively replacing imported products. Key product series include hard-sealed integral ball valves, hard-sealed half-ball valves, soft-sealed ball valves, hard-sealed butterfly valves, and needle valves.