Jingxi TaiDaChangLin Machinery Co.,Ltd, founded in 1966, is a large-class state-owned enterprise. It has fixed assents of 504 million RMB and area of 740 thousand square meters. The company has more than 4000 persons including 790 special technicians, and 1000 sets of excellent main equipment. It also has a complete quality system and has obtained the certification of ISO9001. With the advanced measure and test facilities and methods, the company is a national grade measuring and testing unit.

        The special Equipment Company specially manufactures pipe-shorting cutter and stopper is a subordinate to Changlin. It has been producing the pipe-shorting cutter and stopper since 1982, with rich design and manufacture experience and excellent technicians and persons of after-sale service.

        The product has the approval of the Science-Technology Committee of Pipeline of petroleum department of China, and won national new product prize and Science-Technology Advance Prize. The product has been sold in more than 20 large and middle cities in China, and has gotten good economic and society effective.