It varies based on different manufacturers who adopt different technologies. Sometimes material cost may be high in the production. When the wastes are recycled and used for other production, the manufacturer in fact succeeds in cost reduction. Hoprio group is a company dedicated to the production of battery grinder . The supply of raw material is ensured and the technology is developed to reduce the cost and improve the product quality to the largest extent.

Mainly focused on grinder power tool, Hoprio has achieved great success in the domestic markets with abundant accumulated experiences. Hoprio's grinding tool series contains multiple sub-products. The material of this kind of product with high-quality has high transparency and a certain of fine flexibility with various sizes. Hoprio has the best service team in brushless die grinder industry.

We aim to win the markets by quality. We will always maintain quality superiority by enhancing R&D ability and adopting international cutting-edge manufacturing technologies.