North hose has many years of experience in designing and manufacturing Expansion joints for thermal industry, North hose as one of the world’s professional manufacturer, using state of the art equipment and software to design best products to meet your specifications. and also North hose is capable of performing all types of non-destructive testing such as RT, UT, MT, PT. and recheck of raw material, eddy current inspection, pneumatic leak testing, hydraulic pressure testing will be done on all products. North hose warrants that the products furnished at the time of delivery be high quality and be free from defects.
North hose supplied many expansion joints for reputed customers. Like Zhengzhou heat supplying company, chengde heating company, harbin huaneng heating company, zibo heating company etc..all products are in good service condition.