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Xiamen Origin Biotech Co., Ltd
Shijiazhuang Beihai Pipe Co., Ltd.
Shandong Shengfeng Chemical Industry Co., Ltd.
Smarol Industry Limited
Zhejiang Jinhua New Material Co., Ltd.
Winfred International Metal Limited
Chongqing Haichen Instrument Co., Ltd
Hebei Granray Bioproducts Co.,Ltd
Henan Dongxing Chemical Co.,Ltd
Nantong Fengyuan Chemical Co., Ltd