national sugar and wine fair weichuang precision instrument co., ltd. is a trading company specializing in the agency of well-known brand of measuring instruments and measuring instruments. the main brands include japan's torii and mitoyo, 1 it mainly deals in torque wrench, torque driver, torque tester, tension gauge, micrometer, dial, electrostatic tester, temperature and humidity recorder, thickness meter and other products. welcome to call for inquiries! 30 an hong