Zhong Yi NDT Co.,Ltd (Dandong Zhongyi Electronic Co.,ltd) is manufacturer of Pipeline crawler and portable x ray flaw detector. Hold the sole proprietary technology qualification for producing Micro-wave video pipeline crawler meanwhile R&D Magnetic pipeline crawler.

With experience engineers working over 20 years, design, produce and custom made X ray pipeline crawler and x ray machine for oil and gas company, inspection company, wedding testing and other NDT project.

Possesses complete production line and testing lab for making x ray tube and HV coils, in order to control the quality of generator. Combining research, development and business as unity, we continue improve product character by cooperation with science university and NDT society;all product got CE and ISO 9001:2008 certification, and won a great reputation with good quality.

Our company always hold idea of "excellent products with faithful service" for supply good quality product and service to all clients all over the world.