Min. Order Reference FOB Price
1 Set US$10,000.00-30,000.00 / Set
Product Description
Double stage features: The screw of material is 40 Cr, it is very wearing-resisting and toughness. and the sleeve is made by heat treated -NO.45 steel ,very hardness. There are many heating ways for you choose: heating ring heating/Ceramic heating/electromagnetic heating. The double grinding ...