Min. Order Reference FOB Price
1 Set US$1,500.00-20,000.00 / Set
Product Description
Detail Information For High Speed, High Efficiency Bi-Metal Twin Conical Screw and Barrel for PVC Roofing Sheet: Application: for PVC Roofing Sheet Customer's Requirement: good abrasive resistance. Screw's quality: bimetallic screw, base material: 38CrMoAlA, steel from BAOSTEEL company, ...