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Zibo Shell Technology Co., Ltd
Shaanxi Guanjie Technology Co., Ltd
Henan Daking Import & Export Co., Ltd
Shandong Prime Source Group
Shanghai Upg International Trading Co., Ltd.
SFR (Qingdao) Technology Co., Ltd.
Tianjin Crown Champion Industrial Co., Ltd
Tianjin Yadong Longxin International Limited
Shanghai Holdenchem Co., Ltd.
Wanlong Chemical Co., Ltd
Jinan Lead Pharm-chemical Co., Ltd.
Hangzhou Seraph Science & Technology Co., Ltd.
Hunan Huacheng Biotech Inc.
Nantong Reform Petrol Chemical Co.,Ltd