Granite square box: Quam Botou measuring factory box square tube series: T-slot square box, magnetic square box, square tube pad, square tube pad box, square box table, steel square box, granite square box, crossed square box, test square box, universal cast iron square box, cast iron square tube, cast iron square box. Detailed specifications please consult - cast iron platform, iron floor, cast iron base, shaped pieces of cast iron, welding platform, crossed platform, machine table, motor test bed, tapping machine table, CNC table, CNC machine tool castings, HT200 / 250 castings, QT400-QT600 casting tax 6000 yuan per ton, excluding tax 5000 yuan per ton. Intermediary paid. Granite square box material for the Jinan blue, granite has black gloss, structural precision texture, good stability, high strength, high hardness Face scraping or using precision grinding process for measuring the workpiece straightness and verticality and equipment installation. Granite square box for the detection of parts, parts, machine tables, rails and precision work flatness and verticality. It remains stable under heavy duty and general temperature. Granite square box is a precision reference measurement tools, natural stone material, for instruments, precision tools, machinery parts of the test, is an ideal base, granite square box especially for high- the accuracy of measurements. Granite square box based on the quality of the rock layers underground, after millions of years of natural aging, form extremely stable, do not worry because the conventional temperature and deformation. Granite square box through rigorous physical testing and selection of granite materials, crystal fine, hard texture. Because granite-based non-metallic materials, no magnetic response, no plastic deformation. Its high hardness, so to maintain good accuracy. Granite square box in use, even by heavy bump, up out of fresh ballast only. The superior quality granite square box made of cast iron and steel parts precision measurement reference, to obtain high and stable accuracy. Company Name: Botou Quam Tools Factory you still hesitating? Schedule, quality, price, everything was ready. Dare to bear under a single consultation. We pay attention to each product, pay attention to every step, high standards and strict requirements, the highest quality we have been to pursue faith, responsibility in our hearts, fine in our hands. We only boutique! ! ! Corporate quality assurance: implement the ISO series of standards, establish a corporate image! We guarantee: do not accept bad products, not create bad products!