Xuzhou Zhongan Industrial Equipment Co. Ltd is the only one company that be able to produce full range of safety relief products in China. Their main products are: Rupture disc, special safety valve, breathe valve, flame arrester, emergency relief valve, explosion-proof valve, Flameless Explosion Venting, Explosion Suppression and rotary bearing, etc. The company is the only manufacturer in China that can produce large size (more than 4 meters in diameter) and can produce large caliber flame arresters. It mainly serves oil, chemical industry, electric power, medicine, aerospace and other industries.

The company was founded in 1956, formerly known as jiangsu eight mechanical repair shop, under the Chinese people's liberation army logistics department. In 2002, the company was reformed to set up xuzhou various safety equipment Co., Ltd., and the company introduced advanced technology from abroad, specializing in the development and production of the whole series of safety accessories. Company law of the People's Republic of China special equipment manufacturing license, classification society certification, CE certification in Europe, the United States ASME certification, has safe accessories manufacturing qualification and shenyang institute of special detection test certificates and test reports, and has a variety of manufacturing patent on rupture disc.