About Us

Guide to World Screw Threads

CHUAN HONG PRECISION TOOL MFG.CO, LTD. was founded in July, 1983, specializing in manufacturing thread plug gages, ring gages, and thread cutting tool. In order to ensure the quality of products, we imported tool microscope, universal length measuring gage and calibration instruments from Germany to examine our products. Each item leaving the factory was accompanied with a certificate of inspection, and thus CHUAN HONG could grow and develop in the industry. Taiwan. ....

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