Haiyan pipe fittings manufacturing co., Ltd. was established in February 1999, formerly known as the state-owned zhejiang haiyan pipe fittings factory, with nearly 40 years of hydraulic pipe fittings production history. With the provincial technology center for small and medium-sized enterprises granted by zhejiang provincial economy and information technology commission, it has perfect product performance test and metrological physical and chemical testing ability. The registered trademark of the products is "haihuan" brand (famous trademark of jiaxing city), which is a famous brand product of jiaxing city.In 2018, the company will expand the production scale again, with 50 mu of newly expropriated industrial land and 46,745 square meters of newly built factory buildings.