How do you guarantee product quality?

We provide pre-production samples, conduct final inspections before shipment, and perform 100% visual inspection.

What payment and delivery terms are accepted?

Accepted payments include T/T, L/C, PayPal, etc. Delivery terms include FOB, CIF, FAS, DDP.

What is the lead time for production?

The average lead time is one month for both peak and off-season periods.

API 7-1 Twz-3HS Nmdc Drilling Rig Non Magnetic Drill Collar

Name: API 7-1 Twz-3HS Nmdc Drilling Rig Non Magnetic Drill Collar
Brand: Dongying Tianrui Petroleum Technology Co., Ltd.
SKU: 2081887572

Shandong, ChinaDongying Tianrui Petroleum Technology Co., Ltd.

US$1,600.00

1-99 Pieces

US$900.00

100+ Pieces

Sample price:US$1600.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Repair

Warranty

Two Years

Model NO.

Drill Collar

Manufacturing Process

Forging

Surface Treatment

Polishing

Operation Pressure

Atmospheric Pressure

Material

Alloy

Color

Red/Bule/Customize

Diameter

4 1/2"-20"

Connection

API, Reg ,Fh, If ,Nc,Tx39 etc

Magnetic Material

P530 ,P550

Non Magnetic Material

AISI 4154h

Available

Drill Collar Available

Groove

Stress Reflief Groove

Application

S: Energy & Mining,Well Drilling,Metallurgy Llury

Transport Package

Standard Export Package

Specification

API Spec 7-1

Trademark

Origin

Shandong Dongying

HS Code

8431431000

Production Capacity

5000 PCS/Year

Key features

API 7-1 Certified Quality: Manufactured strictly according to API Spec 7-1 and SY5411/SY5144 standards.

Non-Magnetic Material: Made from AISI 4154H alloy steel with P530/P550 non-magnetic properties.

High Strength & Durability: Cold-rolled finish ensures optimal resistance to stress, corrosion, and cracking.

Customizable Specifications: Color, diameter (4.5-20 inch), and connection types are fully customizable.

2-Year Warranty Coverage: Comprehensive two-year warranty with repair services included.

24/7 Online Support: Provided with 24-hour online maintenance guidance and technical support.

Multi-Connection Options: Supports API, Reg, FH, IF, NC, TX39, and other standard connections.

Factory Direct Supply: Direct from Dongying Tianrui Petroleum Technology with 100% inspection.

Company profile

Cooperated with Fortune 500High Repeat Buyers ChoiceImporters and Exporters

Dongying Tianrui Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.03h

AI-Powered supplier vetting

SummaryThe supplier is a professional technical provider with strong R&D and 3D design capabilities, offering extensive customization services. They lack overseas presence and SDK availability, but maintain ISO certifications. Their financial credibility over the last three years is documented, although lacking specific figures. Manufacturing capacity is limited by the absence of valid contracts with subcontractors. They have procedures for quality control but lack written records for corrective actions.

Supplier typeThe supplier is a professional technical provider involved in petroleum machinery, hydraulic components, and camping house manufacturing. They offer 3D design services.

CertificationsThe supplier holds certifications in quality management (ISO9001:2015), environmental management (ISO14001), and occupational health and safety (ISO45001:2018).

Production capacityThe supplier lacks valid contracts with subcontractors, limiting manufacturing capacity.

Customization capabilityThe supplier offers extensive customization options, including full customization from samples and designs.