In cooperation with Shandong University of Science and Technology, Shen Lian seals set up a high polymer research and development center. It is committed to the research and development of various new types of sealed polymer plastic products, the improvement of the production process of the sealing polymer plastic products and the promotion of the new type of sealing polymer plastic products, the research and development center of the new product and the new technology. The improvement has been in the leading level in China.     

 The mold R & D center is in deep cooperation with the well-known domestic universities / research institutes and is committed to the research and development of the sealed polymer plastic moulds. It is one of the earliest and most advanced mould R & D centers in the industry. According to the profile profile provided by customers, we can rapidly develop high-precision moulds and produce glued mouths. The assembly efficiency of doors and windows works has been improved.

Shen Lian introduced the top quality testing equipment and set up the quality inspection center. The quality inspection of the product is carried out in all directions, from the introduction of the raw material to the packaging of the product. After the strict testing procedure, the special quality of the adhesive strip is guaranteed.