Min. Order Reference FOB Price
1 Piece US$70,000.00-80,000.00 / Piece
Product Description
Product Description Design Features of mechanical drawworks All bearings are roller bearings. Shafts of draw works are made of alloy steel. Chains with forced lubrication can transmit with high accuracy and high strength. The drum of draw works is grooved. Ventilating air clutches constitute the ...