What certifications does the product have?

The product is certified under ISO 9001:2008.

Can I get a float sub with a check valve?

Yes, installing a float sub with a check valve is recommended, especially when drilling in wet situations.

What is the warranty period?

We provide a 1-year warranty for this product.

7-1 Crossover If Reg 4145h Pup Joint Drill Sub for Drilling

Name: 7-1 Crossover If Reg 4145h Pup Joint Drill Sub for Drilling
Brand: Dongying Lake Petroleum Technology Co., Ltd.
SKU: 1953961471

Shandong, ChinaDongying Lake Petroleum Technology Co., Ltd.

US$60.00

1 Piece

Product profile

Customization

Available

After-sales Service

1year

Warranty

1year

Model NO.

api

Certification

ISO 9001:2008

Operation Pressure

Atmospheric Pressure

Applicable Medium

Mud

Structure

Vertical

Material

4145h

Color

Black Blue

Product Name

Drill Crossover

Standard

API

Connection

Reg/If/Nc

Transport Package

Standard Packing

Specification

Trademark

Origin

China

HS Code

84314310

Production Capacity

50000PCS/Month

Key features

Customizable Design: Offers full customization from samples, designs, or minor adjustments including color and name.

Versatile Applications: Used to cross over connection sizes or extend the life of expensive drill stem members.

Extensive Inventory: Large stock of common and uncommon sizes available, with custom sizes always accessible.

High-Quality Material: Constructed from durable 4145h material to withstand drilling conditions.

Certified Quality: ISO 9001:2008 certified ensuring reliable manufacturing standards.

Flexible OEM/ODM: Supports OEM and ODM services with flexible customization options.

1-Year Warranty: Comes with a 1-year warranty for peace of mind.

Multiple Connection Types: Supports Reg, If, and Nc connection standards for broad compatibility.

Company profile

Exhibition ExperienceMulti-language PioneerYears of Export ExperienceCooperated with Fortune 500

Dongying Lake Petroleum Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.93h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and OEM capabilities, with a new product reported in the past year and AutoCAD-based R&D. Quality processes include raw-material traceability, documented inspection instructions, and random finished-product inspection, but only one quality inspector is reported. Service procedures and complaint-handling procedures are documented and followed, although corrective/preventive actions lack written records. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, or branches, and overseas service coverage is listed as zero. Financial, certification, production scale, and customer-case evidence is insufficient for a definitive assessment. Sustainability and digital-management capabilities appear limited, with no ERP, CRM, SAP, or AI-based management implementation reported.

Supplier typeThe supplier is identified through its capabilities as a professional technical supplier, provides ODM services, and supplies OEM services for well-known brands. This supports classification as a technical manufacturing/OEM-ODM supplier, although the slices do not state a formal legal or industry supplier category.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, and service assessment procedures with written procedures and records. However, it reports no overseas warehouse, showroom, agents, or branches, which limits documented overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, ODM capability, AutoCAD use, and professional technical-supplier status. Conversely, it reports zero patents, no private mold design capability, no 3D software design service, no SDK, and no AI, ERP, CRM, or SAP-based digital-management capability, indicating some product-development capacity but limited documented innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also reports ODM service availability. This is direct evidence of broad customization capability.

Product Q&A

Q:What customization options are available?

We offer full customization from samples, designs, minor customization, and flexible customization. Specific attributes like color and product name can be tailored.

Q:What are the primary applications of these drill subs?

They are primarily used to cross over from one connection size to another or as disposable components to extend the connection life of more expensive drill stem members.

Q:What is the lead time for orders?

The average lead time is one month, regardless of whether it is peak season or off-season.

Q:What payment terms do you accept?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as terms of payment.

Q:What is the minimum order quantity?

The minimum order quantity is negotiable.