Straight gauge materials are used HT200-250, high strength cast iron, ductile iron, cast steel, carbon steel and granite scraping or grinding production, accuracy of up to 00 -3 level, variety, complete specifications for the user, manufacture of various special specifications T-bad plate (Taiwan) and special table (board) and the following sixty tons of castings contract processing, machine tool equipment maintenance and repair of the original test measuring accuracy can meet the factory, mining companies The company works on the test, measuring the demand for