The company has passed ISO9001: 2000 international quality system certification, the company has its own new product development pilot plant. Plastic machinery including plastic pipes, plastic sheets, plastic sheets, plastic profiles, WPC profile production lines, more than 20 series over 100 varieties. Companies with strong technical force, advanced production equipment and scientific management, has introduced the industry's leading-edge products, and with many universities and research institutes to establish a long-term stable cooperative relations, familiar with market trends, as the fastest speed into the latest technological achievements. Over the past decade the double pipe extrusion line manufacturer of products have been successful throughout the country and exported to Russia pu double pipe extrusion line, Chile, Indonesia, Kazakhstan, Ukraine, Vietnam, Iran, South Africa, India, Turkey and other countries , excellent product quality and perfect after-sales service, has won widespread praise users. Challenges of high quality objectives, to provide the most competitive products and perfect after-sales service. Customer satisfaction is the eternal pursuit of success, the belief has long been successfully reach deep into the hearts of people, when we in the production of each machine at the same time, that has quality and trust are also deeply rooted in the product. PVC double pipe extrusion line is the host for the FSJSZ-51/105 or FSJSZ-65/132 conical twin-screw extruder with twin-tube / four separate controller. Pipe high efficiency production, high yield. Double tube / IV tube extruded separately from ￠ 20- ￠ 63mm diameter to guarantee product quality, a clear responsibility for both buying and selling of product quality to ensure product quality standards twin pipe extrusion production line to ensure product safety, especially for the following assurances: First, I product quality provided by the technical standards in principle, the implementation of the provisions of the buyer. Technical standards are not required when the buyer, I will be in accordance with current national standards, product samples and provide the buyer, to provide products to the purchaser by the buyer consent, and to ensure the stability of product quality and gradually improved . Second, the supplier provides the buyer the direction of the official seal stamped with supply production license, business license. Third, the delivery direction of the buyer to provide product standard copy of the official seal of the supply unit. Fourth, for the supplier to ensure that the product meets the statutory quality standards, and is responsible for product quality pa twin pipe extrusion production lines, to provide the necessary quality information to the purchaser, if necessary, such as product inspection reports and other relevant information. Fifth, the supplier of the product packaging, registered trademarks, in compliance with relevant regulations of the State. Sixth, the buyer in strict accordance with the product packaging indicated storage conditions of storage, because the buyer of the product of poor conservation storage product quality problems caused by the purchaser is responsible. Seven, consumer complaints due to product quality problems, the supplier should actively cooperate with the proper solution, as indeed the responsibility of the supplier, the supplier assumes full responsibility and costs. pu twin-pipe production line, with three presses (certified), Xinjiang double pipe extrusion line offered by Qingdao Tongsan Plastic Machinery Co., Ltd. Qingdao Tongsan Plastic Machinery Co., Ltd. (www.tongsansuji.com) is in Qingdao, Shandong, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the same three presses leadership with the staff warm welcome to consult with negotiations, with three presses to create a better future.