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Zhejiang Greefield Industry Co,.Ltd.
Jiaocheng Bingsheng Chemical Co., Ltd.
Xi'an Huilin Bio-Tech Co., Ltd
Hebei UMEK Environment Machine Co., Ltd.
XI’AN Mellon Chemical Technology Co., Ltd.
Jining Mingsheng New Materials Co., Ltd
CHEMINTEL INDUSTRIES INC
Wuxi Tianli Biochemical Equipment Co.,Ltd
Wufeng Chicheng Biotech Co.,Ltd
Heze Sirloong Chemical Co.,Ltd
Tianjin Dalipu Oil Country Tubular Goods Co.,Ltd
Kejian Polymer Materials (Shanghai) Co.,Ltd