Professional Supplier for Threading Solution of Big Bore

With 18 years of continuous research and practice in Pipe thread lathes、 CNC lathes、 ordinary lathes and special lathes line manufacturing field, to make Sanzheng as one of the most competitive supplier in the pipe thread lathe processing market of China. Sanzheng provides the world widest range of equipment, establishes a world throughout customer network, matching market players’ needs of petroleum sector, metallurgical sector, geological exploration, chemical and hydropower, etc. processing and repair of drill pipes, drill collars, joints, kellys and sleeves .