Box Semi Trailer factory 2,3-Pyridinedicarboxylic Acid list Company Profile Quzhou Hopemax Chemical Technology Co., Ltd is a comprehensive chemical company which gathering scientific research, manufacturing and marketing. Established in 1995, located in Quzhou, Zhejiang province, and engaged in R&D, manufacturing and sales of pharmaceutical intermediates, silicone products, flavours and fragrances . We have 3...