Strong ability in R&D, Production capacity:gram to kg to Ton with lowest cost.we own independent R&D in changzhou city. All our manufacture bases and facilities are GMP approved. Supported by our highly qualified team of professionals and technic

YUYONGMEI was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu Province with 1200 square meters’ R&D center. Our R&D center has a well-equipped synthetic laboratory a