... paint, yellow/transparent an-ti rust oil, galvanizedUsagePetroleum, chemical, power, gas, industrial, ship building, constructionContact :David ... 2009.Production Equipment Liaocheng Xinglong Seamless Steel Tube Manufacturing Co, Ltd. has equipped 60, 90, 140 and 325 ... countries. ApplicationOur products are widely used in petroleum, chemical industry, Electrical Power, Coal, Machinery, Low and ...