On the basis of Gongyi Changmao Supplying and Draining of Water Materials Company,Sino-South Korea joint venture,Henan Changmao Yuanyi Co.,Ltd was founded in March,2003.It mainly produces rubber joint,vavle,expansion piece,shock absorer and relevant products.
    it is the company that has passed the certification of ISO 9001:2000 international system of quality control products has hundred series,thousand specifications, and 5 series of patent products.we have dependently import and export right,and the products have been exported to Japan, America, korea, Egypt, Spain, Vietnam and so on.