APPA
APPA Technologies, an ISO-9001 certified professional test instrument manufacturer, was established in 1989 by a strong and experienced work team with over 28 years of experience in the field of electronic test and measurement instruments. APPA is committed to leveraging the tremendous needs of industrial customers to expand their personal strength and capabilities, providing a wide range of test and measurement products, including digital multimeters, digital clamp multimeters, component testers, automotive multimeters and environmental testers. APPA plans to produce clamp-on power analyzers, digital oscilloscope multimeters, LAN testers and T&&M OEM subcontracting products in the future. Over the past few years, APPA has become a symbol of safety, ruggedness, user-friendly functions and superior quality.