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Wenzhou hao vein valve co., LTD is located in southeast China coastal economic open zones the township of the Chinese pump - wenzhou LongWanOu, the transportation is convenient, economic and technological information lead, is set research and development, production, sales for the integration of the whole process valve manufacturers, professional production of various kinds of high and middle pressure forging steel valve, ball valve, the co***ny products according to international standard API, JIS and ISO,...
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