Sino-South Korea Joint Venture Henan Changmao Yuanyi Valve Co., Ltd that mainly produces rubber joints and steel-less and steel expansion joints. Our products have all kinds of different types, including German standard, American standard, Japanese standard, English standard and more. Our products have been exported to USA,Spain, France, Italy, Korea, Dubai, England, Japan, Egypt, Vietnam, and other countries and regions.
Our company is authorized by China Petroleum and Chemical Corporation and a top 500 enterprise in Henan. Our company has a certificate of "Enterprise reaching the Standard of Total Quality Control" issued by China Agriculture Department. We have passed the certification of ISO9001:2000 international quality system. With twenty years' experience on the products within the industry ,rich expertise we own in the sector , the most cost effective and competitive service be offered for you !
Mutual developping corporation relationship is what our seeking for ,we warmly welcome you to visit our company and build up long-term fruitful partnership ! We do believe the promising future of corporation between us !
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