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The minimum order quantity is 1 pc.

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High Quality Cross Over Sub for Oil and Gas Drill String Cross-Over Sub

Name: High Quality Cross Over Sub for Oil and Gas Drill String Cross-Over Sub
Brand: Jiyuan City East Heavy Industry Co., Ltd.
SKU: 2092059682

Henan, ChinaJiyuan City East Heavy Industry Co., Ltd.

US$78.00-500.00

1 Piece

Product profile

Customization

Available

After-sales Service

Timely After-Sale Assistance

Warranty

12 Month

Model NO.

According to the customer

Manufacturing Process

Forging

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Alloy

Transport Package

Standard Export Package

Specification

According to the custom

Trademark

East heavy

Origin

Henan China

HS Code

84314300

Key features

API 7 Compliant Material: Made of AISI 4145H modified chromium molybdenum alloy steel per API Specifications 7.

Multiple Connection Types: Available in Straight OD, Reduced Section, and Left Hand subs with Type A/B/C threads.

Comprehensive Surface Treatment: Threads are phosphated, copperized, or cold-worked for enhanced durability.

OEM/ODM Customization: Supports full customization from samples, designs, and minor adjustments.

Strict Quality Control: 100% inspection before shipping; certified ISO9001 and API authorized.

12-Month Warranty: Includes timely after-sale assistance with a 12-month warranty period.

Atmospheric Pressure Rated: Designed for atmospheric pressure operation with robust mechanical properties.

Company profile

Years of Export ExperienceSelf-brandedStandardized quality controlOEM Services

Jiyuan City East Heavy Industry Co., Ltd.

Henan, 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: Tianjin port, Qingdao portAverage Response Time: ≤4.05h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier focused on petroleum drilling tools and machined parts, with listed machining, welding, cutting, drilling, heat-treatment, and straightening equipment. It offers extensive customization, OEM, and ODM services, but does not provide 3D software design services and reported no new products in the past year. Quality and management certifications include ISO9001:2015, ISO14001, and ISO45001:2018, while product and raw-material compliance evidence is recorded only as “Others.” The supplier has written procedures for service assessment, corrective actions, and complaint handling. It reports inventory capability and one-month lead times in both peak and off-season, but lacks a valid manufacturing-capacity contract with related subcontractors, overseas warehouse capability, and overseas showroom capability. Financial information is limited to year references, preventing a substantive assessment of financial credibility. The supplier reports...

Supplier typeThe supplier describes itself as a professional technical supplier and states that its business covers production and sales of petroleum drilling tools and machined parts, along with related trading and logistics activities. This indicates a specialized industrial manufacturer and parts supplier rather than a general trading-only entity.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 management-system certificates. However, product compliance certification and raw-material quality reports are listed only as “Others,” without specific standards or certificate details.

After-Sales capabilityThe supplier reports written procedures and records for service-capability assessment, corrective and preventive actions, and effective customer-complaint handling. These documented processes support an established after-sales and service-management capability.

Production capacityThe listed facility includes saws, tempering, deep-hole drilling and boring, straightening, lathes, CNC lathes, wire cutting, welding, spray welding, and milling equipment. It reports inventory capability and one-month average lead times year-round, but also states that no valid manufacturing-capacity contract exists with related subcontractors.

Customization capabilityThe supplier supports customization from samples, designs, full customization, minor customization, and flexible customization, and also reports OEM and ODM services. Although it does not offer 3D software design, the stated manufacturing customization range is broad.

Client casesThe supplier explicitly reports having collaborated with Fortune 500 companies. No customer names, project details, or repeat-buyer information are provided; the recorded repeat-buyer preference is 0, so the depth and continuity of customer relationships cannot be established.

Product Q&A

Q:What is the material composition of the cross-over sub?

The drill string cross-over sub is made of AISI 4145H modified chromium molybdenum alloy steel according to API Specifications 7.

Q:What certifications does the product hold?

The company has passed ISO9001 quality management system certification and HSE management system certification, and has obtained the right to use the logos of API petroleum drilling tools. Products comply with API 7-1, API 7-2, SY/T5144, and SY/T5146.

Q:What surface treatments are available?

All threads are phosphated, copperized, or cold-worked to ensure quality and performance.

Q:Does the company offer customization services?

Yes, OEM and ODM services are available. Customization options include customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What is the warranty period and after-sales service?

We provide a 12-month warranty with timely after-sale assistance.