Xi'an Well-sun Electronic Technology PLC (Well-sun) is a specialized enterprise for R&D and manufacturing of oil logging tools. Since its foundation in 2002, the company has always been dedicated to R&D, manufacturing, marketing and supporting of cased-hole logging tools. 

As a specialized manufacturer and supplier of cased-hole logging tools, our products are featured with following advantages:

●    High quality  Meet operating requirements in adverse environment as high temperature and high pressure;

●    Various kinds Meet different logging and testing objectives;

●    Serialized products Meet pertinent requirements of different borehole conditions.