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 in...