prodcuts name : brass cartridge material : brass shape : equal MOQ:2000pcs production:2000tons per month certification: ISO 9001:2000 technology: forging .plating/polishing all these items are prodcued by digital CNC machinery.then quality and precision can be ensured accordingly. we can design ,develop as per customers' drawming and sample if have any questions.pls free feel to contact us ,we will offer you the best service.