Welding plate aka Maohan platform for the base plate of the riveting process, the work surface holes and T-slot, when the hole is mainly used to clean up the riveting of iron slag and welding waste, the T-slot for a fixed welding parts. 
 Welding plate / riveting platform Material: high-strength cast iron HT200-300 face hardness of HB170-240, after two manual processing (artificial annealing 600 degrees -700 degrees and the natural aging 2-3 years) using the welding plate / rivet welding platform accuracy and stability, good wear resistance. 
 Welding plate / riveting platform specifications: 100 × 00-3000 × 000, (special specifications according to the demand side, drawing production). 
 Welding plate / riveting platform for precision: the implementation of the National Institute of Standards Metrology and Verification, 0, 1, 2, 3, four grades.