Xiangyu Hardware Machinery (Figure) _ _ Yantian marble slab marble platform provided by the Shenzhen Baoan District Songgang Xiangyu Hardware Machinery Firm. Bao'an District of Shenzhen City Songgang Xiangyu Hardware Machinery Firm (www.xywjjxsh.com/) is a professional "shelves, mold frame, gantry frame, table, assembly line workstations, tool cabinet, tool cart," the company. Since its inception, we adhere to the "honesty, sound management" approach, the courage to participate in healthy competition in the market, so that the "yu" brand has a good reputation. We adhere to the "service first, customers first" principle, so Xiangyu Hardware Machinery has won the trust of customers in the public inventory of equipment and industrial products, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! Description marble marble platform precision measuring tools, instrumentation platform marble platform price, high quality marble platform "Jinan Green" stone grinding machined and hand-made. Shiny black marble platform, structural precision, even texture, good stability, high strength, high hardness, marble platform to maintain high accuracy marble platform wholesale in heavy duty and general temperature of the bottom, and has no rust, acid, wear-resistant sex, not magnetized, the same type and so on. For mechanical plant measurement tools. Marble platform often Specification: 300 * 400,400 * 400,600 * 450,600 * 600 00 marble platform, 630 * 600,630 * 630,500 * 800,600 * 900, 1000 * 750,1000 * 1000,900 * 1200,1200 * 800,1000 * 1200,1000 * 1500,1000 * 2000,1500 * 2000, and other, non-standard specifications can be customized. The physical properties of marble platform: 1. gravity: 2970-3079kgm3 2. Compressive strength: 245-254N / mm2 3. elastic grinding capacity: 1.27-1.47N / mm2 4. linear expansion coefficient: 4.61 * 10 / kWh 5. Water absorption : less than 0.13% 6. Shore: Hs70 more "fine up workers" marble platform accuracy reference standard advanced countries, flatness tolerance according to:. JB / T7975-1999 standard: 000 = 1 * (1 + d / 1000 ) um 00 级 = 2 * (1 + d / 1000) um 0 级 = 4 * (1 + d / 1000) um 级 1 = 8 * (1 + d / 1000) um (d diagonal mm) ( measuring temperature is generally 20 + -2 degrees) Our good quality products, low prices and excellent service to win customers' trust and praise. Welcome new and old customers to discuss cooperation, your satisfaction is our pursuit