... diameter ,eg125mm,150mm,200mm,250mm,300mm,350mm,400mm,450mmNo. of Rollers:3-18 Danyang Huachang Diamond Tools Manufacturing CO,LTD was ... now a high technology enterprise with the capability of production,sales,and research of new technology We are supported with a powerful ... We are exploring,and innovating We take the business philosophy of"customer first, market 1eader",Quality will always be our ...