Founded in 2021 and located in Wenzhou, Zhejiang, HONGKAI VALVE specializes in the R&D and manufacturing of wafer-type check valves and solenoid valves. Its check valve portfolio includes models H71, H74, H76, H77, H46, and others, while its solenoid valve series include 2W, ZCS, ZBSF, ZCZP, and more. Materials are carefully selected from carbon steel, stainless steel 304/316/316L, and duplex stainless steels 2205/2507, ensuring long-term stable performance under complex operating conditions. The products are applied in petroleum, heating and water supply, electric power, steel, chemical, papermaking, military, marine, and other industries.