
Dongguan STILL Precision Instrument Co., Ltd. Established in 2005, Dongguan STEEL Precision Instrument Co., Ltd. is a specialized manufacturer of precision measuring instruments for bar stock, shafts, and cutting tools. Our Product Portfolio: Our comprehensive range of products includes: Concentricity Measuring Instruments High-Precision Runout Testers Bar Material Runout Measuring Instruments Laser Measuring Instruments Tool Vision Inspection Systems Tool Presetting and ...