Qualitech Public Company Limited provides non-destructive testing, inspection, and certification services in Thailand and internationally. It offers technical services testing, inspection, and certification for operation safety of industry equipment, pressure vessels, industrial boiler, piping, and steel structures; and various asset integrity and plant inspection solutions. The company also provides inspection and certification services for pressure vessels, fixed tanks, aboveground storage tanks, fire tube boilers, and LPG and transportation tanks, as well as for welding work; and engineering advices as an independent third party engineering service provider to various organizations in order to test and evaluate equipment. It serves oil and gas, metal manufacturer, fabrication and construction, power generation, and tank and terminal industries. The company was incorporated in 1991 and is headquartered in Rayong, Thailand.