We are very pleased to introduce our company and products. Shanghai DongMeng Road&Bridge Machinery co.,ltd is a leading manufacturer and trade company which manufacturing various kinds of sand machinery , crushing machinery and powder machinery. High-pressure powder is used for grinding the barite, limestone, kaolin, cerames, ahd slags, etc, below scale 9.3 of Mohs hardness and 280-odd sorts of non-inflammable and non-explosive stuff in the trades of mining, metallurgical industrial, chemical engineering and building material for high fine powder generation and processing. The product size is adjustable in the range of 80-425 meshes. We are looking forward to your cooperation with us!