Import Derun Drill Collar — Buy in wholesale FOB from Supplier in China
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Derun Drill Collar
Derun Drill Collar is a heavy-walled steel component manufactured by Derun Energy Co., Ltd. in Beijing, China, designed to apply downward force on drill bits during oil and gas drilling operations. The product is produced from low-alloy steel with a minimum yield strength of 75,000 psi, conforming to API 7-1 specifications for drill pipe components. Wall thickness varies between 1.25 inches and 2.5 inches depending on diameter, with outer diameters ranging from 5.5 inches to 9.5 inches.
The material is heat-treated to achieve consistent hardness and impact resistance, with surface finishes machined to reduce friction and prevent galling during tripping operations. Typical tolerances for outer diameter are ±0.015 inches, and length tolerances are ±0.125 inches per joint. The collars are non-magnetic in standard production, but magnetic variants are available upon request for MWD applications. No surface coating is applied unless specified by the buyer.
This drill collar is used primarily in onshore and offshore oil and gas wells, geothermal drilling, and deep mineral exploration. Buyers include drilling contractors, service companies, and equipment distributors operating in North America, the Middle East, and Southeast Asia. Orders are typically placed in batches of 5 to 50 units per shipment, with lead times of 4 - 6 weeks. Packaging includes protective end caps and steel crating for ocean freight. Incoterms offered are FOB Qingdao and CFR destination.
| Material | Low-alloy steel, API 7-1 compliant |
| Yield Strength | Minimum 75,000 psi |
| Outer Diameter Range | 5.5 inches to 9.5 inches |
| Wall Thickness | 1.25 inches to 2.5 inches |
| Length Tolerance | ±0.125 inches per joint |
| OD Tolerance | ±0.015 inches |
| Magnetic Properties | Non-magnetic (standard); magnetic available on request |
| End Connection | API 8A pin and box threads (standard) |
| Surface Finish | Machined to 125 Ra microinch (typical) |
| Weight per Foot | 85 - 220 lb/ft (depending on OD and wall thickness) |
Derun Energy Co., Ltd. is based in Chaoyang District, Beijing, China, and specializes in the manufacturing of drill collars and other drilling components. The supplier is verified as a harbor-tier entity with no disclosed workforce size, production volume, or client references. Its profile confirms manufacturing capability but provides no evidence of API certification, third-party inspection reports, or quality control procedures beyond general claims.
The supplier does not state whether its production facility holds API Q1 certification or if its products undergo NDT testing such as ultrasonic or magnetic particle inspection. Buyers cannot assume compliance with API 7-1 without independent verification. The listing mentions ISO and CE certifications, but these are not substantiated by documentation or audit records.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Derun Drill Collar from Derun Energy Co., Ltd. - China Import Guide
Before ordering Derun Drill Collars, confirm that the material meets API 7-1 Grade E standards with certified material test reports for yield strength, chemical composition, and impact toughness. Do not accept claims of API compliance without documented proof. Request non-destructive testing reports for each batch, particularly for collars exceeding 7 inches in diameter.
Lead time is typically 4 - 6 weeks after order confirmation and payment. Shipping is usually FOB Qingdao or CFR destination port. Incoterms must be clearly defined in the purchase order. Packaging must include end caps and steel crating to prevent damage. Buyers should request container loading photos and seal numbers for verification upon arrival.
Quality inspection should include dimensional checks for OD, wall thickness, and thread profile using calibrated gauges. Verify surface finish with a surface roughness tester. Retain samples for 60 days post-delivery. Request a Certificate of Conformance for each shipment, and ensure it references the API 7-1 standard. Document any dimensional or material discrepancies immediately upon receipt.
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30 suppliersBuy Derun Drill Collar in Bulk — Verified Supplier in China
When sourcing Derun Drill Collar for your business, securing the right balance of quality and cost is essential. Derun Energy Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $100/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Drilling Machines & Tools sector with strong demand from importing countries worldwide.
Derun Drill Collar Specifications, Trade Terms & Pricing
Importing Derun Drill Collar requires careful attention to shipping logistics, customs compliance, and secure payment terms. Derun Energy Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Derun Energy Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Derun Drill Collar has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Drilling Machines & Tools category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Derun Drill Collar — Shipping, Logistics & Customs
Importing Derun Drill Collar requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Derun Drill Collar
What is the wholesale price of Derun Drill Collar?
The current listed wholesale price for Derun Drill Collar from Derun Energy Co., Ltd. is $100/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Derun Energy Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Derun Drill Collar?
The supplier, Derun Energy Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Derun Drill Collar. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Derun Drill Collar?
The HS Code classification for Derun Drill Collar depends on the specific grade and form. Contact Derun Energy Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Derun Drill Collar from China?
To import Derun Drill Collar from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Derun Energy Co., Ltd.. Ensure you have the necessary import licenses for Drilling Machines & Tools products in your destination country.
Is Derun Energy Co., Ltd. a verified supplier?
Yes, Derun Energy Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Derun Drill Collar?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Derun Energy Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Derun Drill Collar?
Derun Energy Co., Ltd. offers Derun Drill Collar with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Derun Drill Collar the most?
Derun Drill Collar is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Derun Energy Co., Ltd. through our platform.
What certifications does this Derun Drill Collar supplier hold?
Derun Energy Co., Ltd. maintains international quality certifications. These ensure that the Derun Drill Collar meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Derun Drill Collar on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Derun Energy Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Derun Energy Co., Ltd..
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