Hebei Weien Biotech Co., Ltd. (also named Vianderma Biotech) is a hi-tech corporation integrating with R&D, production and trading. The main products of the company including PDO Thread, PCL Thread and PLLA Thread. With years of experiences in the development and production of the medical and beauty products, we work to build lasting relationships with our customers through superior service and expert quality. Our products have been greatly recognized and trusted by customers, and VianDerma products also become a bond of trust between patient and physician.