| Lushengsha Mining Machinery Co., Ltd., Qingzhou City | 2011-06-01 | River Gold Mining Equipment, Sand Making And Washing Machine, Garbage Equipment | 500K CNY | غير مدعوم |
| Weifang Shenghe Environmental Protection Machinery Manufacturing Co., Ltd | 2015-03-13 | River Gold Mining Equipment, Grass-Cutting Boat, Engineering Vessel | 31000K CNY | غير مدعوم |
| Shandong Haiding Shipbuilding Co., Ltd | 2021-06-18 | River Gold Mining Equipment, Excavator Ship, Digging Bucket Gold Dredger | 28500K CNY | غير مدعوم |
| Qingzhou Zhengsheng Environmental Protection Equipment Co., Ltd | 2017-02-22 | River Gold Mining Equipment, Sand Gold Equipment, Gold Mining Equipment | 5000K CNY | مدعوم |
| Liuyang Huixin Industry and Trade Co., Ltd | 2012-03-15 | River Gold Mining Equipment, Dryland Gold Mining Equipment, Sand Transport Ship | 5000K CNY | غير مدعوم |
| Qingzhou Rongsheng Mineral Sand Machinery Co., Ltd | 2013-07-18 | River Gold Mining Equipment, Grass-Cutting Boat, Sand Washing Equipment | 6500K CNY | غير مدعوم |
| Qingzhou Judong Environmental Protection Technology Co., Ltd | 2024-07-25 | River Gold Mining Equipment, Gravity Based Gold Selection Agitation Chute, Box Crusher | 100K CNY | مدعوم |
| Qingzhou Wentao Environmental Protection Machinery Co., Ltd | 2022-03-14 | River Gold Mining Equipment, Crusher, Water Intake Vessel | 1000K CNY | مدعوم |
| Qingzhou Shabang Sand Mining Machinery Manufacturing Co., Ltd | 2010-03-03 | River Gold Mining Equipment, Chain Bucket Boat, Gold Mining Boat, Sand Digging Boat, Open Body Barge, Open Body Transport Ship | 20000K CNY | غير مدعوم |
| Jiangxi Jiedeng Mining Machinery Co., Ltd | 2014-12-08 | River Gold Mining Equipment, Filtration Equipment, Grinding Equipment | 5000K CNY | غير مدعوم |