We are Qingdao Qianshao Precision Instrument Co., Ltd, which we are the national fisrt class metrology manufacturer in China and specialize in manufacturing and exporting Granite High Precision Measuring Instruments, Granite Precision Components (Such as machine base, working base, guideway, workbenches, beams etc ), Granite Air Bearing, Straightness & Squareness Measuring Devices. Digital Electronic Level-meter etc to all over the world.



We could also manufacture Granite Precision Products ...