Purchase Qty. Reference FOB Price
1 Set US$55,000.00
2+ Sets US$50,000.00
Product Description
Product Description Design Features of mechanical drawworks All bearings are roller bearings. Shafts of drawworks are made of alloy steel. Chains with forced lubrication can transmit with high accuracy and high strength. Drum of drawworks is grooved. Ventilating air clutches constitute the ...