PS seed tray mold1) Used to plant flowers, vegetables, seedling2) Excellent quality, reasonable pri Explanation1.Die material: the main template ( P20) steel plate, the service life of the mold plastic mold more than Five hundred thousand Mold. 2.Die processing: all use of CNC machining center ( CNC ), cavity by means of an electric spark ( EDM ), NC high speed milling molding, insert, a matching ...