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Tianjin Newkunze Industrial Group Co., Ltd
Hunan Haozhi Technology Co.,Ltd
Zibo Jingtai New Material Co., Ltd
Luyang Energy-saving Materials Co., Ltd.
Nantong Yono New Material Co., Ltd
Maytun International Corp.
Zhejiang Tengmei Industry and Trade Co., Ltd.
Cangzhou Shengtai Pipeline Co.,Ltd