1. Qingzhou Printing and Dyeing Factory (dongxia town)
2. Weifang Big Dipper Dye Chemical Co., Ltd. (No.5 Hekou Road)
3. Changyi Dongsheng Chemical Dyes Co., Ltd. (No.22, Dongshou, Licheng Street)
4. Weifang Jinlong Dye Chemical Co., Ltd. (Shilibao, North of Beihai Road, Development Zone)
5. Weifang Weicheng Kangda Printing and Dyeing Factory (in Daliushu Town)
6. Changyi Jin Hui Chemical Dye Paint Wholesale Center (Limin Street 139)