WALCOM INT'L INDUSTRY LTD., registered in Hongkong in 2006, is specialized mainly in export of analysing and testing instruments (thermometers, luxmeters, sound level meters, moisture meters, PH meters, refractometers, multimeters), jewelry tools such as diamond testers, loupes, spectroscope, polariscope, chelsea filter, ruby filter, dichroscope, usb microscopes, etc., and medical devices & health care products (blood pressure meters, blood glucose meters, oximeter...