a. Premium quality high chrome crusher hammer . b. Longer wear life. c. Over 30 years producing experience. ... , carbon steel castings. Covering jaw plate, concave, bowl liner,crusher hammer, liner plate, batten, blow bar, impact plate, grate bar, ... guaranteed for proper fit, performance and customer satisfaction.b. Produce Process.a). Casting.b). Machining.c. Pattern Warehouse. Impact crusher wear ...