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Ningbo Rock Hardware Imp & Exp., Co., Ltd.
Suzhou Trysigma Precision Mechanical Technologies Co.,Ltd
Zibo Longorder Environmental Protection Material Co., Ltd
Silim Technologies (Shenzhen) Co., Ltd
Henan Lite Refractory Material Co., Ltd
Hebei UMEK Environment Machine Co., Ltd.
Zhejiang Jinhua New Material Co., Ltd.
XI’AN Mellon Chemical Technology Co., Ltd.
Chengdu Biopurify Phytochemicals Ltd
Shanxi Tianyihe Trading Co., Ltd
Hunan Huacheng Biotech Inc.
Only Fluorine Chemicals