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Taiyuan Lanlang Technology Industry Corp.
Henan Gongsen Chemicals Co.,Ltd.
Qingdao Zhuo An Engineering Technology Co., Ltd.
Wenzhou Kaixin Metal Co., Ltd
Shandong Beiqiao New Material Technology Co.,Ltd.
Jiaxing Jinhe Chemical Co., Ltd
Zhengzhou Frontier Pharmaceutical Co., Ltd
Dongfang Widehigh Technology Co., Ltd
Kima Chemical Co., Ltd
Henan Mertone Mechanical Equipment Co., Ltd
Henan Dongxing Chemical Co.,Ltd
Hebei Granray Bioproducts Co.,Ltd
Shanxi Xinguan Environmental Co., Ltd.
Shandong Hengxin Agricultural Technology Co.,Ltd
Jingzhou Xinxiangrui Chemical Co., Ltd.
Shanghai Holdenchem Co., Ltd.