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Nanjing Deda New Materials Technology Co., Ltd.
Huizhou Yidu Stationery Supplies Co., Ltd
Shandong Kaitai Petrochemical Co., Ltd
Suzhou Borida Macromolecule Materials Co., Ltd
Hebei UMEK Environment Machine Co., Ltd.
Qingdao Oubo Chemical Co., Ltd.
TianJin Damon International Trade Co.,Ltd