China?Bohai valve group co., LTD was founded in 1980, headquarter was located in Tianjin Bohai economic zone ,No88,gaoying road,beizhakou town ,jinnan district ,Tianjin of china .And with the land area up to 80000 square meters ,which is a enterprise with product development ,manufacturing and marketing .All our products designed with USA 3D CAD computer auxiliary ,with powerful technical development capacity . Our products working pressure from 1.0Mpa to 10Mpa ,nominal diameter from 15mm to 4500mm ,including butterfly valve ,gate valve,globe valve ,ball valve,check valve ,water power control valve,exhaust valve,filter,expansion bend ,pipeline fittings,applicable for the water supply and drainage, air conditioning,plumbing systems,petroleum ,chemical industry ,shipping ,pharmaceutical and ect . For long time ,Bohai valve group has applied the advanced management ideas in tthe factory management mode ,the advanced production resource and storage management systems in the product controlling ,in the mean time ,actively carried out the combination of "production ,studying and researching,"utilized the talents from famous universities,research institutes and technical sources then cooperated for establishing a valve technology research and development center ,which has been first passed the ISO9001 international quality system ,ISO14001 environmental system and OHSAS18001 professional health and safety management system .Till now ,our company and products have been awarded with TS and API approval