·China Great Wall Steel Pipe Company LTD
·Qingdao Trustmei International Co., Ltd.
·Tenghui Machinery Co., Ltd
·Zhejiang Huangyan Dewei Plastic Factory
·xiamen wecan food co., ltd.
·Yuhuan Tianlin Plastic Industry Co., Ltd.
·Shenzhen Colorgood Intelligent Equipment Co., Ltd
·Shanxi NEPU Import & Export Co.,ltd.
·Hebei supai Biological Technology Co.,Ltd,