Longquanyuyang Abrasive Co.,Ltd. OF YICHUAN COUNTY HENAN PROVINCE OF CHINA is a private enterprise with direct import and export business right approved by the Ministry of Foreign Trade and Economic cooperation. It situates the south of the scenic sport which is the famous?Long Men Grottoes? in Luoyang. It is specialized in producing and trading abrasive and refractory. The products include brown fused alumina ?vice white fused alumina. The annual output of those products reach more than 30,000 ...