Karen's share is a water-proofing enterprise that combines the development, manufacture, sale and construction of water-proofing materials and is the vice-president of the chinese association for building and waterproofing. In addition, he has received honours such as "high-tech enterprises", "model enterprises for the improvement of the quality of china's defence water sector", "products of jiangsu province", and "trademarks of jiangsu province". The manner in which companies are organized is an important basis for the preparation of the ministry of industry and communications ' conditions of access to the water protection industry. On 26 october 2017, karen's shares were placed on the market, becoming a company on the china defence water enterprise. The company currently has a modern production base in jiangsuzhou and hebei tangshan, with the introduction of full-scale imported production lines and advanced glue grinding. The layout of the plant and the equipment for production, the results of 30 years of practical research and production applications, have been refined and automated to an advanced level of international peers. The company has the iso 9001 quality system certification, iso 14001 environmental management system certification and ohsas 18001 occupational health safety system certification developed by the international organization for standardization. Sound environmental protection facilities to ensure clean fuels, waste gas purification and circulation cooling. In keeping with its business philosophy of "detailed integration, visible honesty" and in just a few years, the company has moved its business to a number of building waterproofing areas, establishing strategic partnerships with more than 20 leading properties, including huanco, hengda, baguiland, chinese airways city, and many other waterproofing projects, such as high iron, subway, tunnel, nuclear power plants and underground pipelines; it has performed well in overseas markets, selling dozens of them in the united states, britain, germany, australia, israel, singapore, india, hong kong, taiwan, etc. The company is focused on high-quality growth and is strategically positioned as "high-quality" and "green production" in order to move at a steady pace to ensure that the underlying industry is green and effective for hundreds of years, for the benefit of humanity and for the benefit of society。