Zhejiang Lizhi Fluid Control Co., Ltd.        We are a professional valve manufacturer integrating design, production and sales. Our factory mainly produces a complete range of butterfly valves, including multi-layer metal hard-sealed butterfly valves, expansion butterfly valves, soft-sealed butterfly valves, ventilation butterfly valves and other series. Our products are designed and manufactured in accordance with advanced domestic and international standards such as GB/T, API, ANSI, BS, DIN, NF, JIS, GB, IB. They feature reasonable structure, sophisticated manufacturing technology, complete specifications and stable quality, with excellent performance in usability, dependability and reliability. Our products are widely used in petroleum, chemical, natural gas, power, metallurgy, pharmaceutical, construction, water supply and other industries.