Why "choose" oil-free air compressor

The air piping is free from dirt and easy to clean
The air discharged from the oil injected compressor contains oil, moisture and dust. Oil-free compressors can supply clean air without oil.
No peculiar smell in the factory, fresh air
The oil-free design ensures that the air discharged from the clean air oil injected compressor contains moisture, oil and particles. Oil-free compressors can supply clean air without oil.
No oil drain treatment costs
The oil-free design does not incur oil drain treatment costs. The air discharged from the oil injected compressor contains oil, so proper oil drain treatment is required. If an oil-free compressor is used, it can be drained directly, so there will be no oil discharge treatment costs, which is environmentally friendly and economical.
  • 超静音
    Low noice

    Using effective noise control technology, the noise is reduced by 50-10 decibels compared with the whole machine of the same power.

  • 智能控制
    Oil-free and environmentally friendly

    Use water as a lubricating medium to avoid environmental pollution.

  • 一体式
    Low maintenance cost

    Replace lubricating oil with water, save the replacement cost of lubricating oil, only need to replace the water filter and air filter, to achieve low-cost maintenance costs;

  • 优质电器件
    Intelligent control operating system

    Intelligent panel operating system, easy to operate, can display multiple functions, and can realize computer/mobile remote monitoring.

  • 变频空压机
  • High-quality "hot selection" products

    "STRONG" company

    • Brand advantage

    • Technical advantage

    • Business model

    Merchants to join
    Invite investment and join in

    • Brand advantage

      Established in 2011, BONAISI Air Compressor is the pioneer of domestic oil-free air compressors and a brand manufacturer focusing on silent oil-free air compressors. Eliminated the traditional high-sound, high-oil-contained ordinary air compressors, and set off a wave of oil-free air compressors in the industry.

    • Technical advantage

      The company strictly follows the ISO 9001 system in terms of quality control standards in terms of complete machine design, manufacturing or testing: strict product development processes, lean production management systems, and good production and testing equipment.

    • Business model

      Online promotion: three major search engines nationwide promotion, small videos are sent synchronously; offline promotion: resource integration, offline telephone promotion; Cantonese Elite: provides a platform for dealers and OEMs to guide customers to visit and guide; exhibition promotion: inside the industry , Propaganda, supporting and agents for many exhibitions outside the industry.

    Latest "News"

    Enterprise's news / Enterprise News

    About us

    Shanghai Ganjian Machinery Co., Ltd. was established in 2011. The factory is located in Fengjing Industrial Park, Jinshan District, Shanghai. It is one of the influential air compressor system equipment suppliers in the aerodynamic industry. The company is a comprehensive high-tech enterprise integrating R&D, production, manufacturing, marketing and service. It is a brand manufacturer specializing in silent oil-free air compressors. The company continues to research and develop, design, innovate and rely on the strong foundation of aerodynamics application technology and the support of air technology in Europe and the United States. Make every effort to build high-quality "BONAISI" brand air compressors. The company will maintain a cutting-edge attitude in the development of machinery application technology, strong technical support, foreign advanced equipment testing, and rigorous scientific management to provide a basic guarantee for the BONAISIbrand to win the favor of domestic and foreign customers.

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