Yuhuan Zhengtai Copper Industry Co.,Ltd. special i zed in Brass valve,tube,and pipe fittings.. etc.,which located in the middle of golden coastline,a coast city of southeast Zhejiang provivce in China,32 sea miles away from Wenzhou Airport and 60 kilometre from Huangyan Airport, close by No.104 state Highway, so the traffic is very good. Based on the advanced equipment and a set of reasonable administering system.the annual producing capacity exceeds 1200 tons,all the products are exported to Eorupe, America and Southeast Asia regions,well received by the customers.