![]() HAUSSERMANN HÄUSSERMANN (formerly known as HÄUSSERMANN Lamellen) is a company that provides disc springs, wave springs, and thermoforming solutions. | ![]() Tianrun Tianrun Industry Technology (天润工业技术股份有限公司, formerly known as Tianrun Crankshaft) is a company specializing in the production of internal combustion engine crankshafts and connecting rods. | |
Founding Date | Founding Date 1927 | Founding Date 1954 |
Type | Type Subsidiary | Type Public |
Tags | ||
Locations | Locations Esslingen am Neckar, DE HQ Wiesloch, DE Northbrook, US | Locations Weihai, CN HQ Wei Fang Shi, CN Weihai, CN Kelkheim (Taunus), DE |
Employees | Employees 442% increase | Employees 3,421 |
Financial | ||
Gross profit | Gross profit €12.4m (FY, 2022) | Gross profit ¥889.4m (FY, 2025) |
Net income | Net income €2.4m (FY, 2022) | Net income ¥361.1m (FY, 2025) |

Tianrun Industry Technology (天润工业技术股份有限公司, formerly known as Tianrun Crankshaft) is a company specializing in the production of internal combustion engine crankshafts and connecting rods.
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