Ensure your measurement accuracy with our professional Granite Surface Plate Calibration and Resurfacing Services. Shandong Sincere Precision Machinery offers NIST traceable recalibration using auto-collimators for strict tolerance compliance. We provide cost-effective on-site or in-house servicing across Asia to minimize downtime. We also service tri-squares, V-blocks, and straight edges. Send us your plate dimensions and flatness requirements for a competitive quote today!