About Us

Shotman Precision Transmission Equipment (Shanghai) Co., Ltd. (SKB Gear) is a professional company focusing on research, production and sales of high-precision spiral bevel gears, straight bevel gear and large ring gear. SKB Gear is headquartered in Shanghai. We have 120 employees , factory covering as large as 66000 Sq. meters, and sales office in Shanghai. Our products have been widely used in the industry of coal - fired power plant, cement factory, oil field drilling machine, metallurgy, Marine propeller, coal mining machine, rail transit, heavy vehicle, water control project, etc. Now our products have been used in countries including Vietnam, Burma, Iraq, South Korea and other countries, well received by customers and trust.

  • Advanced production equipment:

    The company is fully equipped with various professional machining and testing equipments. It also has a sound quality system, as well as sophisticated product designs and advanced manufacturing technologies. Precision gears can be machined up to 3000mm in diameter, and the big gear ring diameter is 6300 mm. Gear shafts are of integral design with no limits on module. Precision level meets the requirements of DIN5, and the tooth surface hardness is up to HRC58-62.

  • Complete testing and quality assurance system:

    we have a comprehensive set of inspection and control tools for quality control, materials analysis, mechanical properties,ultrasonic testing, magnetic particle inspection, bevel gear roll coloring check,three-coordinate precision gear tester etc.The company follows standard management practices with well-established policies.It has passed the ISO9001 quality management system, ISO14001 environmental management system, which provide a solid guarantee for the healthy development of the enterprise.

  • Application is widely:

    The products are widely used in industries such as cement, thermal power, oil drilling, shipping, coal mining, transportation, automotive, and water control ,mining machine, and rotary kiln

SKB Company structure

Company structure

Company structure

Design Center

Design Center

Factory one

Design Center

Factory two

Design Center

Factory three

Design Center


According to the drawings or samples, customize gear products you need.



According to the specific requirements, design gear products for you, and generate the production.


A minimum order

24 hours online service

Short delivery cycle

Quality assurance

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