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Wuhan Comings Biotechnology Co., Ltd.
Guange Biotechnology Co.,Ltd
Nantong Kezhong Chemical Technology Co., Ltd.
Zibo Chemic New Material Co., Ltd
Shandong Kaitai Petrochemical Co., Ltd
Shandong Yuean Chemical Industry Co., Ltd
Fushixin Polymer Fiber (Foshan) Co., Ltd.
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Shandong Stair Chemical & Technolgy Co.,Ltd
Taixing Zhongran Chemical Co., Ltd
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