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Shandong Hengyi New Material Technology Co.,Ltd
Tianjin Zhongxin Chemtech Co., Ltd.
Ruian Hongchang Industry Control Equipment Co., Ltd.
UNIOUE (LUFENG) TECHNOLOGY CO., LTD.
Qingzhou Zhongyuan Chemical Industry Co., Ltd.
Qingdao Doeast Chemical Co., Ltd.
Zhejiang Lingxin Polyurethane Co., Ltd.
YIXING ALLWIN IMPORT AND EXPORT CO., LTD.