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花岗石方尺又称大理石方尺，是一种精密基准测量工具。 东星量仪生产的花岗石方尺选用 “济南青” 等天然石材，经过机械加工及手工研磨制成的，主要用于检测高精度零部件的直线度、平行度及垂直度，也可作为 90° 测量基准，是对仪器仪表、精密工具、机械制件进行检验的理想基准面。 产品特性 精度高：花岗石方尺取材于经过亿万年自然时效的地下优质岩石层，其组织结构均匀，线胀系数极小，内应力完全消失，因此具有不变形、精度高的特点。 硬度高：主要矿物成分为辉石、斜长石等，质地坚硬，结晶细密，耐磨损。 耐腐蚀性强：花岗石方尺具有不生锈、耐酸碱的

The globally renowned EMO HANNOVER 2025 (International Machine Tool Exhibition in Hanover, Germany) will be held grandly from September 22-26, 2025! As a leading event in the global mechanical manufacturing field, EMO is held every two years. Since its establishment, it has been a barometer of

From September 22nd to 26th, 2025, the global machine tool industry will focus on the Hanover Exhibition Center in Germany.Shandong Nano Advanced Material Technology Co.，Ltd.has partnered withJinan East Star Precision Measure Co.，Ltd. to make a strong debut at the biennial EMO HANNOVER machine tool exhibition in Germany. The booth is located at C17, Hall 6.

Jinan East Star Precision Measure Co.，Ltd.cordially invites you to visit booth B05 in Hall 13 of Shenzhen International Convention and Exhibition Center, and join us for the semiconductor manufacturing precision event!

The granite air flotation guide rail platform is a high-precision motion guiding component formed by using natural granite as the guide rail base and combining air flotation technology. It uses compressed air to form a micron-sized air film between the guide rail and the moving parts, preventing