·GREEN HIGHLAND INTERNATIONAL CO.,LTD
·Zhangzhou Yufeng Import and Export Co., Ltd
·Shanghai Tiangang Machine Manufacture Co., Ltd
·Guangzhou Caixia Printing Co.,LTD
·WEIFANG HONGBO PACKAGE CO.,LTD
·Shenzhen Yifeng Package Products Co., Ltd.
·Shanghai Chengming Industrial Development Co.,Ltd.
·Hefei Hengxin Environmental Sci & Tech Co.,Ltd
·Better(China) Packaging Co.,Ltd