Kunshan Tongde Chemical Industry Co., Ltd., a stock company, mainly produces and sells organic chemicals and natural spice. Our products line mainly includes D-Panthenol,D-Panthenol 75%,DL-Panthenol, DL-Panthenol Ethyl Ether,Trans Ferulic Acid,75%DL-Panthenol.50%DL-Panthenol ,natural Geraniol. As the largest producer of DL-Panthenol in China, we satisfy the demand from users in Europe, North America and Asia with our annual output of 300 tons DL-Panthenol. Our R & D ability is based on the tec...