Profile: Shanghai PME Industrial Co., Ltd. is a manufacturer and supplier of industrial products and solutions for oil & gas exploration markets and other industries. Our handling tools include drill pipe tongs, casing tongs, closed head power tongs, and sucker rod tongs. Casing tong is used to make up and break out for casing operation in oil fields. It has reduced the labor of worker, enhanced connection quality of tread and diminished accidents in casing operation. Crossover adapter is an indispensable pipe adapter with different sizes and threads on two ends. Connections can be various types such as thread, unions and flanges. It can work in normal temperature, low temperature and H2S environments, with a standard length of 200m.