Shandong Liankai Building Material Technology Co.,Ltd is the professional manufacturer of PVC window-door profile. It's precursor is Shandong Sanlian New-Type Building Material Technology Co.,Ltd. It locates in the High-and-New Development Zone of Jinan city, and has an area of nearly 100 acres, 2000 square meter for workshop and office buildings.

In year of 2006,Shandong Sanlian New-Type Building Material Technology Co.,Ltd took the restructuring, and established Shandong Liankai Building Technology Co.,Ltd.
After decades of years' development, the company has formed a multiple and mature pattern of brand, technics and service.

Brand Advantage

We have applied to the development and study of PVC profiles for many years. Depends on the advanced imported equipment and developed formulation, increase brand popularity while keep the quality of products. This has forced us fostered a good image in the whole area and gained customer's confirmation.

Product Advantage

Profile design is with multiple cavity, high strength, special drainage system, the water and air tightness of window are good, generous performance, and are applicable to large area.
Double-extruded profile is our main product. We use the masterbatch from American Tongyong Company for PVC/ASA and German Atuo Company for PVC/PMMA. The extruded profile is of high weather resisting property and has highly exceeded the requirements of standard GB/T8814-2004.