The EF Precision Group
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Effort Technology Co., Ltd
🇨🇳 China
20145-10 peopleManufacturerOEM manufacturer
Product customization
Own brand
Shipments
31
Key customer
BAIBARS MEKATRONIK
Key market
North America
Description
Effort Technology Co., Ltd is a professional manufacturer of precision optical components and optical systems, based in Changchun, China, a region renowned for its optics industry. Established in 2014, the company specializes in designing, researching, developing, manufacturing, and assembling a wide range of optical products. Their offerings include optical components made from optical glasses, infrared crystal, and fused silica, such as optical windows, filters, lenses, prisms, mirrors, diffraction gratings, infrared optics, ultraviolet optics, laser optics, and defense optics. Effort Technology also produces various types of encoders, including rotary, incremental, absolute digital, and magnetic encoders, as well as electric pulse generators and LED flashlights. With a team of experienced engineers and technicians, they offer custom optical assembly and specialty coating design services. The company operates with 5 to 10 employees and has a factory with 4 production lines. Over 90% of their products are exported to international markets, including the USA, Canada, Europe, and Asia, with a strong focus on quality control and customer satisfaction.
Incremental Encoder Low Price$30
2016 Magnetic Encoder$30
Shandong TMMT Machinery Group Co., Ltd.
🇨🇳 China
1958201-300 peopleManufacturer/Trading CompanyEstablished brand
Product customization
OEM manufacturer
High-tech enterprise
Shipments
206
Key customer
CARL ZEISS
Key market
🇺🇸 United States
Description
Shandong TMMT Machinery Group Co., Ltd., established in 1958 and formerly known as the state-owned Jinan Granite Factory, is China's largest manufacturer of precision granite measuring tools, machine components, and frames. Based in Jinan, the company operates a massive 160,000 sqm facility, including 8,000 sqm of specialized climate-controlled areas for high-precision processing. With over 40 years of expertise in precision machining, the group functions as a comprehensive manufacturer, ODM, and contract manufacturer, integrating mining, processing, and structural analysis into its operations.
The company specializes in high-precision solutions using natural granite, artificial granite, ceramics, and metals. Its extensive product portfolio includes precision granite surface plates, machine bases for CMM, guideways, square rulers, V-blocks, and parallels. These components are critical for industries requiring extreme stability and accuracy, such as semiconductor manufacturing, aerospace, electronics, lithography, FPD equipment, and optical instruments. TMMT also provides customized assembly and on-site installation services for complex machine frames and laser processing equipment.
Certified under ISO 9001, TMMT maintains rigorous quality standards, calibrating products according to JB/T7975-1999 and JJG117-1991. The company employs between 201 and 500 staff, including dedicated R&D and engineering teams. As a major international player, it exports to over 30 countries, including the USA, Germany, UK, and Japan, serving prestigious global clients such as Carl Zeiss, Hexagon, and IPG Photonics. With its own raw material mines and an annual revenue between $10 million and $50 million, TMMT ensures a stable supply chain and high-quality output for demanding industrial and metrology applications.
Granite Precision Measuring Tools -03
Granite Precision Measuring Tools -01
Granite Precision Measuring Tools -02
Granite Machine Components
Application Of Custom Granite
