Cast iron platform test materials and handling: material testing platform for high-strength cast iron HT200-300, face hardness level test platform for HB170-240, grade test platform after two manual processing (annealing 600 degrees -700 degrees artificial and natural aged 2--3 years) level accuracy using test platform stability test cast iron platform specifications: 100 * 100-4000 * 8000mm. Good wear resistance accuracy test platform test platform: test platform according to the national standard verification procedures, namely to 0 cast iron platform, a test platform, the two test platforms, three test platform four grades. Test platform (platform) made of plate and box-style ribs, face a rectangular, square or round. Test platform (platform) Face using scraping process, the working surface can be processed V-shaped, T-shaped, U-shaped grooves and holes, long holes and so on; test platform surface quality inspection method: using coloring hair test. 0 1 plate on each side of not less than 25 points within a range of 25 mm square, 2 less than 20 points, three less than 12 points. Test platform (Platform) specifications and accuracy class: 100mm × 200mm ------------- 400mm × 400mm (This specification applies to test plate) accuracy of 0, 1, 2. 400mm × 600mm ------------- 1500mm × 2500mm (This specification applies to manual scraping platform) accuracy of one, two, three.