Tengzhou Yuhang Rotary Joint Manufacture Co., Ltd. (the former is Tengzhou Rotary Joint Factory) is one of the leading manufacturers in our country, specializing in the manufacture and development of sealing products. Since we produced the first rotary joint in our country in 1978, we have been working on the research and development of sealing devices for fluid static and dynamic transmission and connecting flexible tubes. Our main products include rotary joints, flexible metal hoses, pipeline compensators, hydraulic quick couplers, R-shape expansion rings, siphons, and draining valves. They are widely used in steel industry, converter joint, hydraulic slip ring, heating furnace rotary joint, military industry, aerospace industry, paper making, package, chemical industry, rubber, plastic and glass industry, petrochemical industry, and other industries of medicine, tobacco, electric power and food.Our company obtained the honor of producing "Excellent New Products of Rotary Joints" in 1997, attained quality system certification in 2003, and finally conferred famous brand in Shandong Province in 2005. Many technicians of our company have been sent to America, Japan, South Korea and Taiwan area to learn advanced manufacturing and sealing techniques of joints and metal flexible hoses. With our products offered to many official departments and large companies, such as SINOPEC, Metallurgy Department, Power Supply Department and Shengli Oil Field, our company has been awarded as enterprise with high credit in contracts.With efficient management, subtle techniques, excellent products and attentive service, we stand ready to serve customers from overseas countries and regions in China.