Drill pipe Heavy weight drill pipe Drill collar Special drilling tools
Internal coating for drill pipe series Internal coating for casing and tubing
Hilong is committed to the technological innovation of drill pipes. It constantly designs and develops high-end drill pipe products to meet the requirements of modern efficient drilling, and with exceptional quality and excellent product performance, it contributes to meeting the needs from clients and modern drilling projects.
滬ICP備14040674號-1滬公網安備 31011302005992號 ? 2018 HI LONG GROUP OF COMPANIES, All Rights ReservedPrivacy Policy