Guangzhou Guoou Electronic Technology Co., Ltd. is based in China and lists coating thickness gauges and used car paint thickness meters on Global Trade Plaza. The coating thickness gauge uses both magnetic and eddy current methods to measure non-magnetic coatings on magnetic metal substrates or non-conductive coatings on non-magnetic metal substrates. It features single-point or two-point calibration, automatic substrate identification, a power voltage indicator, audible beeps during operation, automatic power-off, negative display for zero-point calibration, and ultra-low standby power consumption. The used car paint thickness meter is designed for used car enthusiasts, dealers, body shops, and car auction participants. Buyers can send an enquiry through Global Trade Plaza.