REQUEST FOR EXPERTS

2017-03-01

Dalian Yiduo Piping Co., Ltd. is a company specializing in research and development of  heat-supply pipeline materials manufacturing and provides related technical services. The company was founded in April 2000.The company has two production bases in Dalian and Wuwei, it covers an area of 200000 square meters, the registered capital is RMB100 million yuan. It is the only pure chinese company with the production capacity of heat-supply pipe and compensation equipment.

The company has 6 production lines of DN1400 thermal insulating pipe,2 production lines of steam insulating pipe and more than 280 sets of production equipment.We have an annual manufacturing capacity of 1800 km insulating pipe and 25000 sets of compensators.The main products of the company include: bellows expansion joints for pressure vessel, metal bellows expansion joint, sleeve compensator, ball joint compensator, rotating compensator, Non-metallic compensator, polyurethane insulating pipe, steam insulating pipe etc. The company has professional NDT room, physical and chemical experiment center,more than 60 items of invention and utility model patents have been obtained to fill the domestic vacancy. The company has won the "Liaoning Province famous trademark," "brand-name products in Liaoning Province," " AAA grade credit rating," "keeping contracts regard credits enterprise of Liaoning Province," "safety and culture construction demonstration enterprises of Liaoning Province ," "high-tech enterprises in Dalian," "advanced enterprise of secure production in Dalian," " Dalian labor relationship model of harmonious enterprise," "staff welfare facilities construction outstanding unit of Dalian "and other honorary title. The company passed the certification of  GB / T19001-2008 "quality management system," GB/T24001-2004 "environmental management system," GB / T 28001-2011 "occupational health and safety management system ."