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Zhengzhou Chorus Lubricant Additive Co., Ltd
Nanjing Deda New Materials Technology Co., Ltd.
Guangzhou Rongfeng Plastic Technology Co., Ltd
Dezhou Yuanjin Biotechnology Co.,Ltd.
Shandong Yiming Biotechnology Co., Ltd.
Liangshan Zhongxing Mechanical Manufacturing Co., Ltd
Nantong Kezhong Chemical Technology Co., Ltd.
Shanghai Terui OP New Material Technology Co., Ltd.
Shandong Runfeng CFRP Co., Ltd
Wordld Bearings Limited
Shijiazhuang Mingxu Chemicals Co., Ltd.
Shandong Crown Industry Co., Ltd.