What payment terms are accepted?

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

What is the purpose of the Saver Sub?

The Saver Sub protects the valuable Kelly connection by taking the wear and tear, which reduces overall costs.

How is quality controlled?

We perform 100% visual inspection on finished products and ensure traceability of raw materials.

High-Performance Reduced Section Sub Rotary Drilling Tools

Name: High-Performance Reduced Section Sub Rotary Drilling Tools
Brand: Mudanjiang Kaidi Petroleum Machinery Co., Ltd.
SKU: 2090829982

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

Durable Alloy Construction: Made of heat-treated alloy structural steel for high performance and longevity.

Cost-Effective Saver Sub: Displaces wear from expensive Kelly to expendable Saver Sub, reducing overall costs.

Flexible Customization: Supports OEM, Full Customization, and Minor Customization based on samples or designs.

100% Quality Inspection: Strict visual inspection of finished products with traceable raw materials.

Versatile Connectivity: Includes Straight OD and Reduced Section Subs for connecting various drill stem sizes.

Fast Lead Time: Average production lead time within 15 workdays for both peak and off-season.

1-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.

Professional CNC Manufacturing: Utilizes advanced CNC milling and machining centers for precision engineering.

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: ≤5.56h

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.