If the page of brushless motor battery is indicated with "Free Sample", then a free sample is available. Generally, free samples are offered for routine products of Hoprio group. But in the event the customer has particular conditions, such as product dimensions, material, logo or color, we'll charge costs.

Hoprio has been in the business of manufacturing brushless dc motor controller for many years. Our experience and integrity are at a high level. Hoprio's brushless die grinder series contains multiple sub-products. Strict inspection of Hoprio powerful brushless motor involves different aspects. For example, its insulation materials will be inspected in terms of arc resistance and electric leakage resistance which may form a conductive path or cause mechanical damage. The product has remarkable hardness. It is made of metal materials which have excellent mechanical properties such as high hardness and strength.

We launch various sustainable plans to achieve a balance between economic growth and environment friendlessness. For instance, we recycle or handled unpreventable and harmful wastes complying with relevant standards prior to release or transfer.