Product certificate<br><br>Our company for granite natural plate, marble natural sheet (following by product name classification):<br>Name: Black gold sand<br>Black gold sand granite sheet, in our company commissioned Shandong Province stone quality supervision and inspection center, according to GB/T18601-2009, GB6566-2010, GB/T13891-2008 on the appearance of stone size, plane tolerances, angle tolerances, physical properties, radioactive aspects of testing and inspection, all qualified. Division I determined that it is fully in line with the use of the project.<br><br>The first branch of Laizhou Xinjingke Stone Co., Ltd<br> October 6, 2020
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