- 萤火虫（天津）智能科技有限公司
- Import & Export Trade: Import and export of mechanical equipment. Equipment & Machinery: Sales, leasing, and maintenance of construction and agricultural machinery; equipment leasing; and sales of various hardware equipment.
TIANJIN
- Dalian Yichai Internal Combustion Engine Co., Ltd.
- DDE own series, German Deutz and Volvo diesel engines
LIAONING
- yeshuomachine
- Ditching machine, harvester, crusher, cutting and drying machine
SHANDONG
- 山东富泽机械制造有限公司
- 曲轴 轴承 连杆 柴油机配件 缸套 四配套
SHANDONG