As a crusher manufacturer in China , Jiaozuo Qianniu Mining Equipment Co.Ltd. is a joint-stock enterprise involved in the design , production , distribution , and sale of high-quality large and medium size crushers and grinders. Over the years , our company has continuously improved the product design and refined its working performance to ensure that good quality service is achieved . Every feature of our crushers has been carefully designed by our experienced and qualified staff to ensure that the products are of superior quality and performance . This has greatly increased the demand for our crushers among professionals and customers .