Founded in 1986, LIANSU is one of the largest manufactures of plastic pipes, plastic fittings, electric switch & socket, sanitary and plastic extrusion machinery in China. We have 11 manufacturing bases across China, with more than 300 plastic extrusion lines and 600 injection molding machines. The annual production capacity has exceeded 400,000 tons. We have more than 15 years' experience in export. The service network covers over 50 countries all over the world. A wide variety of products and large-scale facilities will provide you with one-stop purchasing experience and ensure on-time delivery. Our annual sales volume is up to RMB$150,000 million.
Quality assurance
As an ISO9001-certificed company, our management system conforms to standards of ISO14001 and OHSAS18001. Our products have passed the certification of NSF, CSA and SAI. Our plastic pipes and fittings were awarded as China Top Brand and National Inspection-free Products. Our products are warmly received by 20 countries around the world from Europe, Southeast Asia, the Middle East, South America, Africa and so forth.

Advanced technology and powerful R&D capacity
We have an international R&D center composed of 100 excellent experts and equipped with advanced equipments sourced from America, Germany and Britain, providing a good experimental platform to develop new products. We also have advanced extrusion and injection machinery in workshop, providing high-quality production. We have invested 10 million dollars to develop a new series of ASTM standardized products suitable for North American market.

Superior customer service
We attach great importance to the customer service, providing flexible and best solution to satisfy your various needs. We have 35 trading staff who can speak excellent English, Russian and Spanish.