The chengdu common regulatory group inc. Was established in 2002 as one of the early enterprises in the country engaged in the development, production and marketing of stainless steel and gas pipelines. Corporate stocks were listed and publicly transferred on 16 july 2015 in the national sme stock transfer system (securities: "co-management", securities code: 832839) has been developed into an enterprise group for the development, production and sale of stainless steel pipes, tubes, steel plastics and fittings, aluminium plastics and fittings, anti-earthic slings, finished slings and catheters and accessories. The group's headquarters is located at the bi-straits science and technology development park in the wanjiang straits of cheng city. The production base is located in the winjiang district of sungju city, cheng jia county of chengju city, and the trade area of cheng baijiang international railway port of cheng city. It covers a total area of more than 280 acres, employs more than 680 people and has 35 stainless steel pipes, more than 460 plant production units, 5 steel plastic pipe production lines, 3 aluminium plastic pipe production lines, 5 hanger production lines, capable of producing various types of stainless steel pipes, steel piping pipes, aluminium piping pipes and hanger products with a capacity of 500 million yuan per year. The co-management industry has been focusing on research and development and extension applications for stainless steel pipe steel plastic complexes, has independently developed the ring linking technology, has been awarded 33 practical new patents, and now has 19 practical new patents and 9 invention patents. At the same time, through the implementation of the iso 9001 quality management system, the iso 14001 environmental management system, the ohsas 18001 occupational health and safety management system and the ts pressure pipe component manufacturing licensing, the company is actively involved in the standardization of stainless steel pipes, which are important standard subdivisions of the stainless steel pipe industry. The co-management sector has been the member of the deputy director of the national committee for building and drainage, the vice-president of the china construction and metal structures association, the director of the china institute for standardization of construction and construction, and the member of the chinese urban gas association. Co-management has always been committed to the concept of "good-faith win-win" and "hundred-year-old business" business, to the core culture of "good-faith" and to "win-win" work together, on the basis of mutual benefit and mutual benefit, in partnership with all parties and in conspiracy to develop