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Nanjing Deda New Materials Technology Co., Ltd.
Shandong Chemexis Co., Ltd
Luoyang Chuangda Machinery Co., Ltd
Suzhou Borida Macromolecule Materials Co., Ltd
Changyu Holding Group Co., Ltd
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Cangzhou Zhenda Pipe Industry Co., Ltd
Nantong Elitex Import and Export Co., Ltd.
Shandong Zhuonuo Biotechnology Co., Ltd.
Henan Siwei Bio-Technology Co.,Ltd