Xiangshan Welding Backing Factory was founded in 1982, is a domestically leading and well-known enterprise integrating the research, development and manufacture of the ceramic welding backings, and is a new hi-tech enterprise of Zhejiang Province. Our firm has an automated tunnel kiln line of the international advanced level and the modern production technology and equipment. We have established a quality management & guarantee system. Our firm has got the Quality System Certificate of ISO9001 issued by China Classification Society Quality Assurance LTD. We are the biggest manufacturing base of the welding backings in China. The annual productivity of the welding backings is 35 million meters.

"Yuan Hang" JN series welding backings are widely used in shipbuilding, chemical industry, bridges, pressure containers and carbon steel, stainless steel and aluminum alloy constructions. Our goods are sold to more than four hundred domestic shipyards and exported to more than 30 countries and regions. Our items win the praise and trust of the foreign and domestic customers.

"Yuan Hang" JN series welding backings have got the approval of China Classification Society (CCS), American Bureau of Shipping (ABS), Germanischer Lloyd (GL) and Lloyd's Register (LR) and some foreign classification societies such as BV and DNV. JN series welding backings won 5 Prizes of the Country, Province and City.