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We are a professional company based in the Qingdao Free Zone, with a factory and trading division specializing in hydraulics and mining machines. Supported by Shandong Science and Technology University, renowned for hydraulic solutions, we manufacture Ainn brand hydraulic pumps, valves, motors, and gearboxes, and are agents for AMCA brand hydraulics by XCMG. Our strong foreign trade and project team ensure excellence across diverse industries.

行业领先的测试技术

Created on 2025.06.20
Hardware:
1. Test bench and test device for type test, reliability test and factory inspection of hydraulic products.
2. Coordinate measuring instrument, profile meter, roughness meter, flatness meter and other measuring instruments.
3. Material tensile testing machine, hardness tester, spectral analyzer,
Software：
Shandong Institute of Product Quality Inspection authorized AINN as the product supervision and inspection unit in Shandong Province.
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