- Weifang Dragon Machinery Technology Co., Ltd.
- Aquatic Weed Harvester, Trash Salvage Boat, Cutter Suction Dredger, Amphibious Dredger, Amphibious Excavator, Suction Dredger, Floating Working Platform, Modular Barge, Work Boat
Shandong
- Shandong Haijie Dredging Machinery Co., Ltd.
- Cutter Suction Dredger
Shandong
- QINGDAO JINYING MACHINERY CO., LTD.
- Single Needle Quilting Machine, Multi Needle Quilting Machine, Cocoon Bobbin Winder Machine, River Harvester
Shandong
- Weifang Hairui Xinsheng Environmental Protection Equipment Manufacturing Co., Ltd.
- Environmental Equipment, Medical Waste Treatment Equipment, Domestic Waste Disposal Equipment, Kitchen Waste Treatment Equipment, Cutter Suction Dredger, Gold Equipment, Harvesting Equipment, Shrdder
Shandong
- Weifang Shenghe Environmental Protection Machinery Manufacturing Co., Ltd
- Cutter Suction Dredger, Gold Dredger, Diamond Dredger, Gold Washing Plant, Mining Machinery, Water Weed Harvester, Weed Harvester, Transport Boat, Water Hyacinth Harvester, Aquatic Weed Harvester
Shandong