Min. Order Reference FOB Price
1 Piece US$3,000.00-45,000.00 / Piece
Product Description
Drywall Chipboard Self Tapping Screw Making Machine Thread Rolling Machine Cold Heading Machine Process of making screws: wire rod-cold heading machine-thread rolling machine-screws If want to make high quality screw, need below process (welcome to contact us for more details): screw quenching ...