iron plate( raw material) is pruned as a rotundity→iron plate is formed by stretching→iron plate is edge-sheared→iron plate is punched by punching machine→model of tray is polished, galvanized or powder coated.
iron plate( raw material) is pruned as a rotundity→iron plate is formed by stretching→iron plate is edge-sheared→iron plate is punched by punching machine→model of tray is polished, galvanized or powd
iron plate( raw material) is pruned as a rotundity→iron plate is formed by stretching→iron plate is edge-sheared→iron plate is punched by punching machine→model of tray is polished, galvanized or powd
iron plate( raw material) is pruned as a rotundity→iron plate is formed by stretching→iron plate is edge-sheared→iron plate is punched by punching machine→model of tray is polished, galvanized or powd
iron plate( raw material) is pruned as a rotundity→iron plate is formed by stretching→iron plate is edge-sheared→iron plate is punched by punching machine→model of tray is polished, galvanized or powd