- Shanghai Hong Jin Ultrasonic Electronic Equipment Factory
- Main business:
- Taian Road Engineering Materials Co., Ltd.
- Main business:
- Shandong Sunshine New Material Technology Co., Ltd.
- Main business:
- Shandong Shenghong New Material Technology Co., Ltd.
- Main business:
- Qingdao Taimei Plastic Co., Ltd.
- Main business:
- Qingdao Sinotop Industry & Trade Co., Ltd.
- Main business:
- Taian Jingwei Geosynthetics Co., Ltd.
- Main business:
- Beijing Jianlin Engineering Materials Co., Ltd.
- Main business:
- Shandong Mount Tai Project Material Co., Ltd.
- Main business:
- Taian City Rui Heng Building Materials Co., Ltd.
- Main business:
- Shandong HRT New Materials Engineering Co., Ltd.
- Main business:
- Taian Hongyuan Geosynthetics Co., Ltd.
- Main business:
- Taian Geou Geotextile Materials Co., Ltd.
- Main business:
- Laiwu Yingfeng Building Material Co., Ltd.
- Main business:
- Dezhou Art Star Import Export Co., Ltd.
- Main business:
- Taian Yongxing Ultrasonic Welding Equipment Factory
- Main business:
- Feicheng Jiahua Engineering Materials Co., Ltd.
- Main business:
- Nanchang Jubo Engineering Co., Ltd.
- Main business:
- Weifang City Huateng Plastic Products Co., Ltd.
- Main business:
- Shandong Debin Jiaxin New Materials Co., Ltd.
- Main business: