Shandong Liaocheng ZGL Metal Manufacturing Co., Ltd. has become one of the biggest international enterprises in the field of seamless steel tube manufacturing after 8 years hard working in China.

Our company lies in the biggest production center of steel tube industry in China - Liaocheng, Shandong. We cover an area of 800,000 square meters, with Ji-Han Highway in the north and Beijing-Hong Kong railway in the west.

At present, our company has two complete production lines for steel tubes. We are equipped with piercing machines, six cold drawn production lines and one hot rolled production line, which can produce heavy wall seamless tubes of OD: 30mm-219mm. We have newly introduced 325mm ASSRL Pipe Mill, which is the biggest elongator in China. The machine uses automatic system of offline inserting mandrill and retains driver minor loops controlled by computer, and reaches the international advanced level, producing products with specifications of OD: 177mm-377mm and WT: 10mm-100mm.

We passed the certification of ISO9001:2001 International Quality Management System in 2003.