Changzhou Gaoyang Plastic Industry Manufacturing Co., Ltd. (Changzhou Yitong Plastic Co., Ltd.) is a professional manufacturer of polyethylene (PE), vinyl chloride (PVC-U), and chlorinated polyethylene (PVC-C) pipes and fittings. The company was founded In the 1980s, after gradual development, the product production capacity has exceeded 10,000 tons. The company has superb production technology, sophisticated production equipment, first-class product quality and sales service. It is one of the main production units in the plastic pipe industry.