GRANDOIL is a professional manufacturer of milling shoes and fishing tools and provides fishing and downhole well intervention services on location, which owns operation teams with rich work experience.

▲ Manufacture process per international standards

▲ Customized design and manufacture tools for the complex wells, 

     special for super deep and slim hole wells Downhole Tools 

▲ Respond quickly and provide high quality onsite services

▲ Flexible to sell or rent tools