- Yongkang Qida Commerce & Trade Co., Ltd.
- Main business:
- Zhejiang Jiekai Industrial And Trading Co., Ltd.
- Main business:
- Xiamen Kdsbuilding Material Co., Ltd.
- Main business:
- Dalian Golden House Door & Window Manufacture Co., Ltd.
- Main business:
- Guangzhou Apex Building Material Co., Ltd.
- Main business:
- Weifang Liyuan Windows Doors Molding Co., Ltd.
- Main business:
- Yongkang Yongjie Industry & Trade Co., Ltd.
- Main business:
- Sheng En Yikai Ironware Co., Ltd.
- Main business:
- Foshan Willsun Door Industry Technology Co., Ltd.
- Main business:
- Shenzhen GIES Industry and Trade Co., Ltd.
- Main business:
- Linyi Gaotong Import & Export Co., Ltd.
- Main business:
- Heze Kaixin Import And Export Co., Ltd.
- Main business:
- Nanjing Jinxingyu Energy Saving Technology Co., Ltd.
- Main business:
- Hengshui Xinpei Trading Co., Ltd.
- Main business:
- Yantai Service International Trade Co., Ltd.
- Main business:
- Wujiang Aojia Metal Work Co., Ltd.
- Main business:
- Shanghai Superhouse Building Material Co., Ltd.
- Main business:
- Zhejiang Huisheng Wood Industry Co., Ltd.
- Main business:
- Guangzhou Shuotian Gate Industry Co., Ltd.
- Main business: