Fuzhou's main productions are thickness meters, ultrasonic sensors, vertebrates, membranes, ultrasonic thickness gauges, coating thickness meters, electric pyrotechnic detectors, shoddy hard meters, portable hard meters, surface roughness meters, metal thickness meters, rubber hardometers, plating mills, rigrade hardmeters, digital ultrasonic detectors, zirconium hardometers, paint thickness gauges, pyrotechnic leaks, black and white density meters, paint membranes, steel plate thickness meters yi