Shengkai Co., Ltd. was built up in 1994. It is an enterprise with high and new technology registered in the Economic & Technical Development Area of Tianjin, PRC. The key technology is the development, design and manufacture of the ceramic materials. SK products have been widely applied in Petroleum, Chemical, Power, Metallurgy, Military, Aerospace industries. SK products have been continuously appraised to the title of Important and New Products of the Countryfor 4 years. It has been put into the Torque Planand 863 Planof the country. The company has applied more than 10 patents. The company gained ISO 9001 Certificate issued by DNV on 2000, got API Certificate on 2003 and got CE certificate on 2003. During the history of longer than 10 years, SK brand has gained trust from broad customers from every province of the country and all over the world. Our quality guideline and commitment will never change, that is SK products will always beyond your expectations.We promise we will bring more pleasures to our dear customers.