Radiographic testing It is called RT for short. Its basic principle is that when the ray beam with uniform intensity penetrates the tested object...

Ultrasonic testing is abbreviated as UT, also known as ultrasonic testing. It uses ultrasonic technology...

Magnetic particle testing is an earlier physical testing method, which uses the characteristics of magnetic particles to find the surface of ferromagnetic materials...

Penetrant testing (PT), also known as penetrant testing, is based on the principle of capillary action...