Joyvin Chempharm is an integrated and professional chemical enterprise located in China Shandong Polit Free Trade Zone. We are engaged in R& D, processing, sales and application services of API, veterinary & Their intermediates, food additives and plant extract and dye stuff for more than 18 years, we have established stable customers all over the world with high reputation. We are able to source new ingredients quickly and focused on servicing our customers, while maintaining strong personal and ...