[Find Magnesite concrete backplane board preferred Ruixing]?? Purchasing concrete back to Ruixing look, here are the strongest technical team, as you build the best product, magnesium plate as the use of underground support products, Supporting played an invaluable role in the production process. I [Zaozhuang Fuxing Mine Equipment Co.] to carry out stringent quality requirements to ensure that in the coal mine's operations to ensure safety in production. Procurement [back] Magnesite plate concrete elements?? I [Zaozhuang Fuxing Mine Equipment Co.] specializes in the development and manufacture of mining equipment more than ten years, every product in strict accordance with the domestic industry standard. As the saying goes, "True gold fears no fire" Our products can stand the test, teach you how to judge from the appearance of high-quality concrete [back] Magnesite board. Appearance quality: appearance should be smooth, the edges should be neat, plate thickness should be uniform surface without pits, reinforcement shall be exposed, the board can not have back to halogen phenomenon, the appearance of defects can not be more than an off angle, off angle length should not exceed 20, lack of flute length should not exceed 30, the warp shall not exceed 5.