![]() Hefei Risever Machine Hefei Risever Machine (合肥永升机械有限公司) is a company that specializes in the production of engineering and construction machinery metal structural parts. | ![]() Landai Technology Group Landai Technology Group (蓝黛传动, previously known as Chongqing Landai Powertrain) is a company that specializes in research, design, development, manufacture, and sale of power transmission assemblies, transmission parts, and die-casting products. | ![]() SUMEC Hardware & Tools SUMEC Hardware & Tools (江苏苏美达五金工具有限公司) is a manufacturer and designer of industrial machinery tools. | |
Founding Date | Founding Date 2003 | Founding Date 1996 | Founding Date 1998 |
Type | Type Private | Type Public | Type Subsidiary |
Tags | |||
Locations | Locations Hefei, CN HQ Linyi, CN Wuhu, CN Jonesboro, US | Locations Chongqing, CN HQ | Locations Nanjing, CN HQ Greenwich, AU Willich, DE York, GB Kennesaw, US |
Employees | Employees 6451% increase | Employees 4,551 | Employees 514% increase |
Financial | |||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) ¥3.8b (FY, 2025) | Revenue (est.) ¥2.4b (FY, 2022) |
Net income | Net income N/A | Net income ¥186.9m (FY, 2025) | Net income ¥115.3m (FY, 2022) |

Landai Technology Group (蓝黛传动, previously known as Chongqing Landai Powertrain) is a company that specializes in research, design, development, manufacture, and sale of power transmission assemblies, transmission parts, and die-casting products.
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SUMEC Hardware & Tools (江苏苏美达五金工具有限公司) is a manufacturer and designer of industrial machinery tools.
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