Yuhuan kaiyi valve co.,ltd is collects the skill and worker and the trade for the copper valve specialty of organic whole nakes the corporation. Successively following the abroad recomends high and new technology and equipment, and relying on the science and technology resources lf self, "pemanent prosperous"is produced to the specialty series products such as plate copper ball valve ,valve ,stop valve, check valve and copper pipeline parts etc,and the support with the technical service is joined in marriage,IS9001"is pressed 2000 producing and the quality management system served carries on the strictprongran management to perworker's order. The corporation copper valve thatto become internally at present the biggest is produced and one of exporbase to 20 developments of many years. At warm expert, air-condition and burns that windpipe valve production is in the intermall eadin position in the technology,the product The outer various places within the four seas selling goods to distant places, Welcome the newly old customerto come your patronage copperation.