Chongqing Shangwei Plastic Co., Ltd. was established in 2005, and is a large-to-medium-sized private enterprise that integrates high technology, high performance, and green environmental protection. It specializes in the research, development, production, and sales of new types of plastic pipes and fittings. The company is a model in Chongqing and a leader in the southwest; it offers professional customization, high quality at low prices, and treats its products as life. For many consecutive years, it has been leading in the industry, serving as a one-stop procurement platform for urban pipeline networks and as a service provider for urban pipeline systems. The company's production base is located in the Shuangfu Industrial Park, Jiangjin District, Chongqing, covering an area of 200 mu (about 32.97 acres) with a factory building area of 20,000 square meters. The main products include plastic inspection wells and related series, municipal sewage series, and power communication series. It is the largest supplier of dedicated plastic inspection well barrels in the southwest and the only one in Chongqing. The company adheres to the guiding ideology of "the highest goodness is like water, which benefits all things without contention," upholds the main theme of "being contemporary, harmonious, and responsible," sticks to the principle of "unity, pragmatism, harmony, and win-win," and follows the marketing strategy of "rooting in Chongqing, setting an example in the southwest, and touching China." The company insists on the scientific outlook on development, promotes the application of new energy-saving and environmentally friendly materials, and greatly advances the development of a low-carbon economy. It has an annual production capacity of 30,000 tons of various plastic pipes. Its marketing network has reached a considerable scale, and it has established close cooperative relationships with the Chongqing Water Conservancy Bureau, the Municipal Construction Commission, and the Municipal Water Supply Company. Shangwei has become the first choice brand for customers in the southwestern municipal pipeline market. We have an advanced R&D team, top-notch manufacturing equipment, strict quality control procedures, experienced production teams, a scientific logistics system, and a comprehensive after-sales service system, providing reliable products and satisfactory services to a wide range of users, achieving harmonious development with all sectors of society.