One-year warranty period is provided. If any problem while you are using the machine, you may contact Service Hotline: 0086 13357214760 or Email: service@lab-mills.com for after-sale service.

It depends on property of material and grinding process you set. Generally, most of materials can be ground into nano scale powder. Meanwhile, we provide sample grinding experiment free of charge if you send us sample of your material.

We have lots of regular Models in stock. Packing can be done within 3 working days after your full payment is confirmed. Delivery time is about 5 days by courier. Therefore, you are expected to get the equipment in about 10 days after your payment confirmed.

Yes. Sample powder testing is available for any customer who sends material to us, and powder testing is also free of charge.

We are one of the largest manufacturers of powder mills and laboratory equipment in China.

The minimum type is 0.4L planetary ball mill, ModelXQM-0.4A in size of 53*30*34cm, machine weight 26kgs. We have other types from 1L to 100L for your options.

We have customers who bought our planetary ball mills for black carbon grinding, as the black carbon is easy to sink and get together in the bottom of the mill jar, we recommend the full- directional planetary ball mill for black carbon grinding. According to the feedbacks from our customers, the model of full-directional planetary ball mill solved the above mentioned problems successfully.