Shanghai Weikai Optoelectronics New Materials Co.,Ltd (WEIKAI) is a high-tech enterprise focusing on the R&D, production and sales of functional coatings and adhesives. Starting from the independent R&D and production of tobacco packaging, medical packaging coatings and adhesives, WEIKAI continues to explore new technologies and expand new fields. Through more than 25 years of development, WEIKAI’s products cover multiple fields such as solar energy, Li-ion batteries, Internet of things, Optoelectronics, packaging and other industry.