• A method for manufacturing hollow grinding ball
• A method for manufacturing large wear-resistant grinding ball
• A kind of large wear-resistant hollow ball with excellent comprehensive performance
• Wear-resistant ring of concrete mixer
• Liner for asphalt mixing plant
• Concrete mixing plant dust cover
• Heating furnace replacement part
• Funnel shower type sand adding device
• Blade of concrete mixing plant
• Multilayer cast steel cooling wall
• Cover tilt for asphalt mixer
• Expendable pattern casting die for medium-speed mill hollow balls
• Vanishing mold moulding and pressurizing device
• A new type of riser for the casting of steel plate in dry wall
• Furnace grate steel castings dry sand negative pressure die
• Chilling block device for lost foam casting of crushing wall
• Novel casting ladle safety clamp
• A stirring arm for mixing machine
• An expendable pattern die casting system
• A liquid - solid casting compound roll sleeve lost foam casting system