V.Raw material supply and water and power building condition: Major material, sandstone, limestone, soda ash are supplied from ZhuoZhou of HeiBei, Bao Tou of inner Mongolia and Chong Li of He Bei.

• 五、原材料来源及水电建设条件：主要原材料砂岩、石灰石、纯碱均由河北省涿州，内蒙古包头及张家口崇礼县提供，运输方便。