Dalian Third Base Company was established in 1993. As a demonstration base for equipment industrialization of large-caliber double-wall corrugated pipe production line of China Ministry of Construction, it has strong technical force, strong design and research capability, efficient modern management mode and perfect quality management system. The company has imported a large number of advanced high-precision machining equipment from German, Japanese, Spanish and other countries, such as world-class multi-station machining centers, five-axis linkage machining centers, CNC lathes, CNC milling machines, etc. As a diversified and compound high-tech enterprise, Sanlei always leads the development trend of plastic machine industry with the spirit of pioneering and innovation. The company took the lead in passing CE certification, IS0900 1: 2000 quality management system certification, insisted on fully implementing "zero defect" quality management, and strengthened efficient quality control in all aspects such as procurement and supply, production technology, quality inspection, product sales, capital arrangement and after-sales service. From φ50 ~φ 1500 corrugated pipe to PE, PVC, PPR and other pipe production lines, we have won the recognition of domestic and foreign customers with high quality and efficient product image. At the same time, with the goal of "providing a green, economical and practical plastic pipeline system", the company actively cooperated with domestic and foreign counterparts, universities, scientific research units and other departments to hold technical information exchange and scientific research activities, which made outstanding contributions to the development of plastic pipeline industry and the progress of environmental protection in China. The company has successively won the titles of "High-tech Enterprise", "Contract-abiding Enterprise" and "Demonstration Unit with Double Guarantee of Quality and Credit".
Three base companies adhere to the business philosophy of pragmatism, innovation, lean, honesty and customer first, and serve customers at home and abroad with all the technical essence and high-quality products. With the company's all-round development in digitalization, intelligence, programming and internationalization, the three base brands sell well in Southeast Asia, the Middle East, Africa, Europe and America, with customers all over the world.