Chang shaqa painting environmental technology co. Ltd. Is a subsidiary of the chinese defence water industry, a separate listed company, the beijing east rainbow (sz002271). It is a company that combines research and development, design, production and sale of environmentally friendly, specialized materials. Since its inception, enterprises have adopted the concept of "developing healthy and environmentally sound homes", following an elegant and fashionable path, and following the path of passing on, creating, reforming and developing classical architectural arts. At present, carpentry is a founding enterprise with a full range of products in the silicon algae mud industry, with advanced materials development engineers and high-end process engineers, while constantly introducing state-of-the-art production processes at the national and international levels. For each process, we produce, control, detect and manage products in strict compliance with international standards. It also invests heavily in process improvement, creation, research and development and seeks to interact with a number of national and international research institutes for materials. More than 30 full-fledged products have the capacity to develop three or four new series of products each year. Card-painted company products have been successfully applied to various domestic and work-dressing projects, especially in landmark buildings such as the hunan wide electric building, the faraway group, the dreams house, the long hee springs hotel and the grand similar museum, with high levels of appreciation from users and communities. At present, the company has many provincial marketing platforms, including guangdong, fujian, shanxi, shaanxi, liaoning, jilin, hubei, chongqing and jiangsu, and dozens of dealers sell more than $1 million a year. Carpenter focuses on marketing interfaces, production research and development bases, and technical training schools, serving thousands of families with green walls, and making millions of families healthy is the company's permanent mission。