- Business
- Jinlei Technology Co., Ltd. (300443.SZ) engages in the research, development, manufacture, machining, and sale of wind turbine main shafts and other precision forgings and castings. The company produces core wind power components including main shafts, wheels, bases, integrated bearing seats, wind power forging shafts, wind power casting shafts, precision shafts, and diversified high-end castings and forgings for applications in marine and land energy, heavy machinery, hydropower, ships, industrial blowers, metallurgical equipment, and mining machinery; it supplies leading global wind turbine manufacturers such as Siemens, Suzlon, GE, Guodian United, Envision, and Senvion. Jinlei Technology operates primarily in China with production facilities supporting an annual output of 3,000 MW-class wind power main shafts and 50,000 tons of large forgings.
Founded in March 2006 and headquartered at No. 18 Shuangyuan Street, Gangcheng District, Jinan, Shandong Province, China, the company listed on the Shenzhen Stock Exchange GEM on April 22, 2015, and was formerly known as Shandong Laiwu Jinlei Wind Power Technology Co., Ltd.
In recent developments, Jinlei Technology accelerates its layout in sliding bearings by establishing subsidiary Jinlei Drive in May 2023, acquiring 67% of Liaoyuan Science and Technology Research Institute Co., Ltd. in December 2023, and setting up a sliding bearing production line in Suzhou in 2025 to supply gearbox bearings; the company showcased newly developed gearbox sliding bearings and spindle sliding bearing modules at the Beijing Wind Energy Exhibition in October 2025, positioning these as potential new growth drivers amid expanding market penetration in wind power transmission systems. Additionally, Jinlei Technology executed share repurchase programs, including a tranche from May 8 to June 7, 2024, accumulating 1.63% of shares for RMB100.16 million, and another announced in April 2024, alongside approvals for 2024 cash dividends payable in June 2025.