... ;3.Lastingness,hardness;4.Customer designed. Yiwu B&W Mining Machinery Co., Ltd., founded in 1993, covers an ... castings(material: high manganese, carbon steel, high-chromium iron).The mining equipments include jaw crusher, impact crusher, cone crusher, ... customers' drawings or samples.The products are widely used in mining, metallurgical, construction materials, road construction, airport tunnel, high ...