Qingdao preco imp. & exp. co., ltd. is a large factory with strong production capacity. PRECO focuses on providing a variety of magnetic base for customers. PRECO step up bit must pass the following physical and mechanical tests. They include antibacterial test, color fastness test, suture reinforcement strength test, odor test, and dimensional fit test. With high hardness, it is highly resistant to deformation. This product has high quality and stable functionality. Its graduation and dimension can be customized.
Our company will actively foster sustainable practices. We have made progress in reducing waste gases, polluted water, and conserving resources.