Impact crusher is important equipment in concrete production,road-building and construction waste recycle.The main spare parts are blow bar.Our blow bars employ the external refining technology effectively reduced the harmful elements,inpurity,oxygen and hydrogen harm,greatly enhanced the abrasion resistance and impact toughness of the steel.Using proprietary metamorphic agent for modification treatment,fine grains,improve carbide configuration and distribution,and to improves the abrasion resistance and tenacity.After heat-treatment process,the hardness of Shanvim blow bar can reach to HRC58-63.

Shanvim can OEM the famous brand such as SANDIVK,TEREX,HAZEMAG,TELSMITH,KLEEMANN,etc.