HH owns a 200-staff professional service team for rig installation, commissioning and solution of problems arising during on-site operation. After-sale service offices have been set up in America, Egypt, U.A.E., Venezuela, Russia and China.

HH Commitment: Respond within 4 hours after receiving customer feedback and give an accurate and complete answer within 48 hours. For the problem needing to be solved on site, our technicians will arrive at the site as soon as possible.