China Xingwei Valve Group Co.,Ltd was established in 1991, has 33 years' history, is a professional enterprise gathers research,development, production, processing, and sales in valve producing. registered capital of 150.8 million RMB, xingwei valve had cooperated with many high-quality enterprises since xingwei valve was founded. we provided them with high-quality products & service. We insist on innovation as the core competence of enterprise development, after unremitting and lasting research and development, Xingwei Valve innovation and development of national innovative technology patented product "Zero friction telescopic ball valves"; The product is equipped with a retractable sealing sphere, when the valve is opened, the ball wall will be automatically narrowed, for the sealing surface and the ball wall to create a certain amount of space, to avoid direct friction on the sealing surface, which will greatly prolong the using life of sealing surface. When the valve is closed, the ball wall will automatically expand, and the sealing surface is in close contact with the sealing surface to achieve excellent sealing effect. The structure is safe and reliable. And has a small opening and closing torque, energy-saving and fast switching effect, manual closure only 3 seconds, if you ordered the pneumatic one ,that will equipped with actuator pneumatic models can be completed within one second to open and close. Effectively guarantee the property and life safety of your enterprise and reduce the harm of accidents.In addition to the patented products, the company also produces products of various standards and specifications including GB/T, JB, JIN, API, ASME, ANSI, DIN, BS, etc. with high standards and strict requirements.We have equipped our factory with more than 70% of high-tech CNC machines, which makes our production process more precise, refined and visualized. This allows us to ensure that our products meet strict standards and at the same time greatly increase the produce capacity of our factory,which Let us fully prepared for your orders in large number!Each product will go through strict production, assembly, grinding, cleaning, testing process, to ensure that each product to achieve a perfect production process.Xingwei Valve has obtained more than 17 production certificates including ISO9001, ISO14001, OHSAS18001, TS special equipment and TUV. Well-established production qualifications, you can work with us with confidence!We are looking forward to cooperating with you with professional & high-quality production process.Please feel free to contact us. China Xingwei Valve