High Quality 3 1/2 Inch 89.9mm NC26 Drill Collar API High Quality Used for Oil & Gas Field Well Drilling Wholesale

Product Description

Product Showcase
Professional Manufacturing & Quality

We are a professional manufacturer with a rich history of 50 years, specializing in high-quality drilling equipment for mineral exploration and geological drilling.

  • Core Products: Friction welding drill pipe, adapter, drill collar, non-magnetic drill collars, heavy weight drill, kelly, thin button drill pipe and lock joints.
  • Specialized Gear: Double wall drill rod (including gas power swivel systems), lifting sub, and drilling stabilizers.
  • Certifications: ISO9001 (2002), API Monogram (2009), ISO14001, and OHSAS18001 (2016).
Frequently Asked Questions
Are you a manufacturer or a trading company?
We are a professional manufacturer with over 50 years of experience in the industry.
What are your main products and their applications?
Our main products include friction welding drill pipes, adapters, drill collars, heavy weight drills, and double wall drill rods. These are primarily used for mineral exploration and geological drilling.
What are your delivery and payment terms?
We accept T/T, L/C, Western Union, and Paypal. A 30% deposit is required in advance, with the balance due before delivery. Transportation is available via sea or train.
What is your Minimum Order Quantity (MOQ)?
Our minimum order quantity is just 1 piece, and we also accept sample orders for quality testing.
How do you ensure the quality of your products?
Quality is our priority. We maintain strict inspection procedures for all raw materials and finished products. We hold ISO9001, API, ISO14001, and OHSAS18001 certifications.
What kind of after-sales service do you provide?
We offer prompt technology support for all technical queries. Furthermore, we accept goods returns or replacements for any confirmed quality issues.

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