Yupeng offers a full range of testing services in-house or through the use of approved laboratories. Second, the third-party testing from the SGS, BV, DNV, LR,etc. All required testing for any product can be performed with results emailed to customers before delivery. These tests include: Ultrasonic testing (UT) Hydro-Testing Positive Material Testing (PMI) X-ray, Magnetic Particle (MP) Liquid Dye Penetrant Chemical Analysis, Mechanical Testing, Impact Testing, Hardness Testing etc