Zhongshan Lianheqiang Rubber and Plastic Technology Co., Ltd. was founded in 1990. After years of rapid development, its products include vulcanized rubber sealing strips, foam strips, rubber coils, fire-resistant flame retardant strips, thermoplastic ethylene propylene rubber sealing strips, Soft PVC sealing strips, nylon heat insulation strips, nylon hollow and special-shaped insulation strips, hard PVC profiles, precision composite seal strips, EVA double-sided stickers, seal strip joints, injection molded presses, expansion joints and airport specials Rubber and plastic materials, etc. The product has passed the national Kangju Engineering Certification (National Affordable Housing Building Material Qualification).

In 2007, as the main supplier of sealant strips and deformation joints, he participated in the construction of a series of landmark projects such as the National Stadium-Bird's Nest Project and the new CCTV site. As of the end of the same year, there have been more than 200 large-scale landmark buildings participated by Lianheqiang, including Beijing New Airport, Guangzhou Baiyun New Airport, Bird's Nest, Dubai Tower, etc.

The company has a total of 38 plastic extrusion production lines, vulcanized rubber rubber strip production lines, vulcanized rubber rolled coil production lines, nylon insulation strip production lines, and composite seal strip production lines. It also has rubber molding equipment, seal strip angle jointing machine, plastic injection molding machine, pinch Various processing equipment such as mixing machines, rubber glue mixing machines, twin-screw extruders, etc.

After years of development, the company has computer-type tensioning machine, UV weather aging tester, seal strip life bench instrument, seal strip special projector, open flash point tester, hardness detector (including A degree, C degree, D degree) , full series of standard cutting tools, compression crook testers, rotor-free vulcanizers, aging boxes, high-precision specific gravity instruments, telescopic joint bench testers, rubber and plastic cutting machines, precision grinding machines and other special testing sets of curtain wall rubber strip supporting kits instrument.