√8天堂资源地址中文在线,国产SM精品调教视频,国产欧美va欧美va香蕉在线,亚洲人成网站18禁止无码

ZHEJIANG RENXING VALVE CO.,LTD was founded in 2004, is located in Oubei town, Wenzhou, which is well known as “Pump & Valve Town of China”. RENXING designs, manufactures and sells valve balls and other highly engineered ball valve components around the world. With strong innovation capacity and many years’ experience in manufacturing and management, RENXING has been providing a wide range of high quality products to the international market.

RENXING provides balls and other valve components to customers with various specifications from 1/2” up to 56”, pressures from 150LB up to 2500LB and different materials. The materials mainly include A105, LF2, 410, F6A, 4130, 4140, F304, F316, 17-4PH, F51, F53, F55, Monel, Inconel, etc. The surface treatment materials include Chemical Nickel Plating, Tungsten Carbide Coating, Stellite, Inconel etc, which are high-hardness, abrasion proof and corrosion-resistant materials.