With this motto in mind, we've turn into one of quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for 4 inch diamond grinding wheel, marble polishing pad , Non Ferrous Metal Grinding Wheel , Diamond Grinding , All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. Our enterprise insists all along the standard policy of "product high-quality is base of business survival; client satisfaction could be the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as consistent purpose of "reputation first, client first" for 4 inch diamond grinding wheel, As operation principle is "be market-oriented , good faith as principle, win-win as objective", holding on "customer first, quality assurance, service first" as our purpose, dedicated to provide the original quality, create excellence service , we won the praise and trust in the industry of auto parts. In the future, We will provide quality product and excellent service in return to our customers , welcome any suggestions and feedback from all over the world.