Jinan Jinglei Precision Machinery Co., Ltd. is a specialized manufacturer and exporter of high-precision granite components and measuring tools based in Jinan, China. Founded in 2009 and located near the premium "Jinan Black" granite quarries, the company operates a 20,000-square-meter facility equipped with specialized raw material workshops, machining centers, and a 1,000-square-meter constant-temperature lapping room. With a workforce of approximately 80 employees, including 35 technical specialists, the company integrates over 20 years of industry expertise with advanced computer-aided manufacturing and quality control systems.
The company's core product portfolio includes standard granite measuring tools such as surface plates, straightedges, parallel rulers, square rulers, and V-blocks. Additionally, they specialize in custom-designed granite mechanical components for high-precision industrial applications, including CMM bases, laser cutting machine beds, PCB drilling machine frames, and optical equipment bases. These components are manufactured using high-quality Jinan Black and Indian Black granite to ensure superior stability and precision.
As an ISO 9001 certified organization, Jinan Jinglei Precision Machinery provides comprehensive OEM and ODM services, supporting clients from technical design to final production. The company maintains a strong international trade presence, supplying precision components to global industry leaders such as Carl Zeiss Industrial Metrology, Pi Physik Instrumente, and Schneeberger. Their products are widely utilized in metrology, semiconductor manufacturing, and aerospace sectors across North America, Europe, and Asia.
Granite Square Ruler
Granite Surface Table
Granite Rotary Plate
Granite Traverse
Granite Base for Laser Device
Granite Measuring Instrument
Granite Straight Edge
Granite Square
Jinlei Technology Co., Ltd.
🇨🇳 China
20062001-5000 peopleManufacturer/Trading Company
High capacity factory
Large enterprise group
OEM manufacturer
Product customization
Shipments
1162
Key customer
NORDEX INDIA
Key market
🇮🇳 India
Description
Jinlei Technology Co., Ltd. (SZSE: 300443) is a leading high-tech manufacturer specializing in the research, development, and production of wind turbine main shafts and large-scale industrial forgings. Founded in 2006 and headquartered in Jinan, China, the company has grown into a global supplier for the renewable energy sector, employing over 2,100 people and operating extensive manufacturing facilities covering nearly one million square meters. Jinlei Technology is recognized as a major global manufacturer of wind turbine main shafts, with an annual production capacity of 3,000 MW-class shafts and 50,000 tons of large forgings.