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Nanjing Deda New Materials Technology Co., Ltd.
Shandong Beiqiao New Material Technology Co.,Ltd.
Guange Biotechnology Co.,Ltd
Shandong Ocean Chemicals Co., Ltd.
Zhengzhou Alfa Chemical Co.,Ltd
Xinxiang Chengde Energy Technology Equipment Co., Ltd.
Hubei Hongjia Chemical Industry Co., Ltd
Xi'an Huilin Bio-Tech Co., Ltd
Shanxi Knlan Chemical Co.,Ltd
Wuxi Tianli Biochemical Equipment Co.,Ltd