Zhaozhaizi Industry Park, Gaotang County Liaocheng, Shandong
e, Gaotang Sanxing Precision Mechanism Co., Ltd. is a professional and normalized company with ISO9000 on granite plate, measuring instruments Granite Components, such as precision surface plates, straight edges, master squares, triangular square ...
precision granite surface plates, granite straight edges, granite master squares, granite triangular squares, granite square boxes, granite V-blocks, granite pa
