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Zhejiang CaoShi  Valve co., LTD. is located in Oubei Town, Yongjia, a well-known pump and valve town in China. Cao's automatic control valve is a valve manufacturer which integrates scientific research, development, production and sales. The company has a strong technical force, with a number of high-quality technical force production team, sophisticated mechanical processing equipment, advanced CAD valve design center and testing center, in strict accordance with the ISO 9001 international quality system standard production and management mechanism. The product design and manufacture conform to GB, JB, ANSI, API, BS, DIN and other advanced standards at home and abroad. It is suitable for all kinds of industrial pipeline systems with strong corrosive media as hoisting and closing devices.
The company mainly produces various butterfly valves and ball valves: hard-sealed butterfly valves, soft-sealed butterfly valves, flange butterfly valves, pair-clamp butterfly valves, bidirectional pressure butterfly valves, ventilation butterfly valves, louvered butterfly valves, vacuum butterfly valves, thermal insulation butterfly valves, butterfly valves, non-standard butterfly valves, hard-sealed ball valves, soft-sealed ball valves, welding ball valves, fixed ball valves, forged steel ball valves, electric ball valves Ball valves and other products are widely used in petroleum, papermaking, hydropower, food, medicine, textile, smelting, sewage treatment, mining, chemical industry, high-rise buildings, water supply and drainage projects. With the enterprise purpose of "quality as credit, win the future with good faith", our products are sold well at home and abroad, and are deeply trusted and praised by the majority of users.
Cao's self-control valve company adheres to the business philosophy of "gathering first-class talents, creating first-class enterprises, building first-class brand", "customer-centered, market-oriented" and adheres to the quality policy of "system-based, pursuing zero product defects". It is innovative, honest and open to the public, realistic, high-quality products, and sincere return to society. We sincerely welcome new and old customers to negotiate and cooperate to create a win-win situation and create brilliant future.