Established in 1986, the LIANSU Group is one of the largest manufacturers of plastic pipes, profiles, as well as equipment for their production in China. Her business service network covers all major cities in China, and also in more than 30 countries around the world.

In 2004, the LIANSU Trademark has been certified to the international quality standard ISO-9001 and is certified according to ISO 14001 and OHSAS 18001. In June 2005, the LIANSU Trademark was awarded "China Well-known Trademark", and at the same time has been recognized as a "National Key New High-Tech Enterprise".

LIANSU Group has its own research center of international level, the purpose of it is not only the continued support of international standards and high technology for the manufacture of equipment and products, but also researches and implementation of new technologies in extrusion equipments and manufacture of plastic products. At the moment, the center employs a team of more than 100 people formed of designers, engineers, experts, consultants, etc., working on the latest modern equipment from Germany and the UK with an annual investment in research over two million dollars.

LIANSU Group has 8 basic production facilities across the country, two of which are involved in the production equipment, and 6 others - production of plastic pipes, profiles, sheets, panels, and film.

Equipment of LIANSU Brand is exported to Europe, Asia, North and South America as well as in Africa. Evaluation of high quality equipment is the fact that production of company «LIANSU» occur on the equipment of its own manufacture. Lines, manufactured by LIANSU, guaranteed yield the declared performance in contrast to many other manufacturers in China. The proposed equipment produced by German technology, using on critical areas of imported components manufactured by leading world manufacturers, such as an electrician - Siemens, ABB, Schneider, FUJI, bearings - THK, Japan.

Most of the line components such as extruders, screws, extrusion mold, forming equipment (cores, dies), vacuum tank, calibration equipment, cooling bath, pulling and cutting devices, winding units, stackers, etc., are produced in-house. For example, development and production of the screw is made by ourself - multistage with using various cutting, grinding, thermal and galvanic equipment, in compliance with all technological transitions and quality control at the every stage of manufacture.

High level of automation, stable operation, the possibility of producing a multi layer products, stylish design - the qualities that make the «LIANSU» production lines could become popular around the world, for companies producing plastic products.