Xiang Shan Tianxing Welding Backing Co,Ltd was founded in 1982, is a domesticly leading and wellknown enter-prise, is a entity of research development and manufacture of the ceramic welding backing and is a high new technical enterprise of Zhejiang Province. The factory has a automated tunnel kiln line of the international advanced level and the modern productive technology and equipments etc. It has estabilished a quality management guarantee system. The factory has been passed through Quality System Certificate of ISO9001 by China Classifi-cation Society Quality Assurance LTD. It is a biggest manufacturing base of the welding backing. The annual productivity of the welding backing is of 35 millions meters.    
    “Yuan Hang” JN series welding backing is widely used in shipbuilding, chemical inductry, bridge, pressure contianer and carbon steel, stainless steel and aluminiunalloy construction’s manufacturing. It is selling to more than four hundreds domestic shipyards and etc. It is being exported to more than 30 countries and regions.It wins praise and trust of the foreign and domestic customers.   

    “Yuan Hang” JN series welding backing has been subjected to the approval by China Classification Society (CCS), American Bureau of Shipping(ABS) , Germanischer Lloyd(GL) and Lioyd’s Register (LR) and has been subjected to the transative approval by some foreign classification societies such as BV,DNV etc. JN series welding backing won 5 Prizes of the Ministry, Province and City.