Do you perform quality inspections on finished products?

Yes, we conduct 100% visual inspection on all finished products following uniform instructions.

What payment methods do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is the raw material traceable?

Yes, we maintain full traceability for all raw materials used in production.

Straight Od Sub, Saver Sub, and Rotary Sub Solutions

Name: Straight Od Sub, Saver Sub, and Rotary Sub Solutions
Brand: Mudanjiang Kaidi Petroleum Machinery Co., Ltd.
SKU: 2093675312

Heilongjiang, ChinaMudanjiang Kaidi Petroleum Machinery Co., Ltd.

US$170.00-500.00

1 Piece

Sample price:US$170.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provide

Warranty

1 Year

Model NO.

KAIDI

Manufacturing Process

CNC Milling

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Alloy

Color

Blue

OEM

Provide

Alloy

4145h

Others

ISO

Transport Package

Wooden Case

Specification

I. D. 44.5mm-82.6mm

Trademark

KAIDI

Origin

China

HS Code

8431431000

Key features

Heat-Treated Alloy Construction: Made of heat-treated alloy structural steel for durability in oil and gas drilling.

OEM and ODM Services: Full customization available from samples and designs with flexible options.

100% Finished Product Inspection: Every item undergoes visual inspection with strict quality control procedures.

1-Year Warranty Coverage: Comprehensive 1-year warranty provided for all mechanical equipment.

Rapid Lead Time: Production completed within 15 workdays for both peak and off-peak seasons.

Traceable Raw Materials: Full traceability system ensures quality and origin of all raw materials used.

Specialized Drilling Solutions: Includes Lifting, Saver, Straight OD, and Reduced Section subs for various needs.

ISO Certified Manufacturing: Manufacturing process meets ISO standards with 2 QA/QC inspectors.

Company profile

Importers and ExportersYears of Export ExperienceQuality AssuranceHigh Repeat Buyers Choice

Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Heilongjiang, 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: 10 years CertifiedNearest Port: DalianAverage Response Time: ≤3.76h

AI-Powered supplier vetting

SummaryKaidi Petroleum Machinery is a limited company with 21 employees, focused on API oilfield drilling tools and non-standard OEM products. It reports OEM service for well-known brands, modern CNC-based production equipment, two production lines, and export experience of 10 years. Its customization capabilities cover samples, designs, minor changes, full customization, and flexible customization. Quality controls include documented inspection instructions, quality assurance, traceable raw-material identification, complaint procedures, and corrective-action processes. However, it reports no supplier-management certification, no available SDK, only one R&D engineer, and no available R&D audit documentation. Financial credibility cannot be assessed because the provided financial fields contain years rather than financial results or monetary data.

Supplier typeThe supplier is identified as a limited company with 21 employees and no parent group affiliation. Its stated business is technology-based petroleum equipment, specifically API oilfield drilling tools and non-standard OEM products.

CertificationsNo supplier-management system certification is reported. This is a stated absence of certification evidence, although the supplier does report quality assurance, traceability, documented procedures, and maintained quality records.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with records, and it maintains written procedures and records for service-capability assessment and corrective/preventive actions. These controls support after-sales handling, but no specific response-time or service coverage information is provided.

Production capacityProduction resources include CNC cutting and machining equipment, CNC and conventional lathes, laser marking, sandblasting, cranes, modern workshops, two production lines, and eight quality-control testing devices. The supplier also reports a lead time within 15 workdays during off-peak seasons, supporting an established production capability.

Customization capabilityThe supplier explicitly offers customization from samples and designs, minor and full customization, and flexible customization. It also reports strong customization for special-alloy processing and OEM services for well-known brands, providing direct evidence of broad customization capability.