Frequently asked questionsHow can I become a HEVRIG dealer?How can I obtain spare parts and after-sales technical support?What is the warranty policy for HEVRIG drilling rigs?Do you provide installation, commissioning, and operator training?Can HEVRIG arrange international shipping and export documents?What quality inspections are performed before shipment?What is the production and delivery lead time?Does HEVRIG accept trial or small-quantity orders?What information is required for an accurate quotation?Are drill pipes, drill bits, and air compressors included with the rig?