Min. Order Reference FOB Price
1 Set US$1,000.00-5,000.00 / Set
Product Description
1.The main advantage of screw and barrel: a. Advanced Nitriding Technology .(by 7 days and nights ) b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for ...