The core series of Nanjing University’s instruments has been refreshed and upgraded! The dual-vessel high-speed/explosion-proof/cold-air ball mill vacuum/circulating glove box. Improved performance makes it more suitable for various scientific research and experimental scenarios.

About Us


About Us


All kinds of planetary ball mill, all-round ball mill, high-speed oscillating ball mill, vacuum glove box, experimental electric furnace, vibrating magnetometer and other products

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Nanjing Nanda Instrument Co., Ltd.

Nanjing Nanda Instrument Co., Ltd. originated from the Nanjing University Instrument Factory, which was established in 1952.Depends on a strong research background which is the NanDa university, the company registered the "ZhengXian" trademark and adopted the corporate mission of "Creating a National Brand, NanDa Leads the Way," integrating scientific research with production realities. Aiming at international advanced standards, it has developed and manufactured a series of high-tech products with independent intellectual property rights, currently holding multiple patented products and having received numerous national and provincial-level awards. 

The ball mills we produce are essential equipment for mixing, fine grinding, and small-scale production of high-tech materials, widely used in industries such as electronics, ceramics, chemicals, construction, pharmaceuticals, and metallurgy. 

Our vacuum glove boxes are indispensable for conducting scientific experiments in oxygen- and water-free environments, extensively applied in sectors including chemicals, electronics, biochemistry, metallurgy, and pharmaceuticals. The laboratory furnaces we manufacture are a type of intermittent resistance furnace, primarily utilized for experimental purposes, often in quantitative analysis sintering and ashing tests. They serve as ideal equipment for universities, research institutes, industrial and high-temperature experiments,

Offering a variety of products including planetary ball mills, Multi-Angel ball mills, high-speed vibrating ball mills, vacuum glove boxes, laboratory furnaces, vibration magnetometers, among others, we also provide customized production of equipment tailored to the specific research needs of our broad user base.


Qualification Certificate


EU certification (high-temperature furnace)

EU certification (high-temperature furnace)

EU certification (ball mill)

EU certification (ball mill)

Quality Management System Certification Certificate

Quality Management System Certification Certificate

Adjusting device for ball mill

Adjusting device for ball mill

Bearing bush for central drive ball mill

Bearing bush for central drive ball mill

Based on ball mill offline programming data acquisition integrated management software V1. 0

Based on ball mill offline programming data acquisition integrated management software V1. 0