Hilong Oil Drilling Tools relies on the powerful R&D platform of Hilong Oil Pipe Research Institute, uses internationally advanced thickening technology, heat treatment technology, friction welding technology and advanced production and testing equipment, not only provides users with API covering all Conventional drilling tools with standard specifications and steel grades, and at the same time, through independent research and development, we provide users with various special products and high-end products to meet the differentiated and personalized needs of customers.
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