What is the manufacturing process used?

The product is manufactured using the casting process.

What are the main applications of this crossover sub?

It is used for connecting drill bits, kelly saver subs, and various drill string components in oil and gas drilling.

What are the payment terms?

We accept LC and T/T as terms of payment.

Drill Pipe Crossover Sub Saver Sub for Oil Well Drilling

Name: Drill Pipe Crossover Sub Saver Sub for Oil Well Drilling
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 2172254565

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$500.00

1 Piece

Sample price:US$500.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Manufacturing Process

Casting

Surface Treatment

Galvanized

Material

Alloy

Name

Crossover Sub

Transport Package

Wooden Case

Specification

all size

Trademark

Origin

China

Key features

High-Strength Material: Manufactured from AISI 4145H alloy steel for superior durability.

Diverse Type Options: Available in Type A (same diameter), Type B (different diameter), and Type C (left-handed).

Comprehensive Warranty: Includes a 1-year warranty covering mechanical defects.

Advanced Surface Treatment: Galvanized surface treatment ensures corrosion resistance.

OEM and ODM Services: Full customization support available for specific crossover sub requirements.

ISO Certified Quality: Certified by ISO-9001, ISO-14001, and ISO45001 for quality and safety.

Versatile Application: Ideal for connecting drill bits, kelly, and various drill string components.

Professional Manufacturing: Produced using casting process with advanced CNC and testing equipment.

Company profile

Dongying Zhaoxin Industry and Trade Co, Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2014-04-14 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤11.04h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryDongying Zhaoxin Industry and Trade Co., Ltd. is a China-based limited company in Shandong that manufactures and processes oilfield tools and equipment. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, a dedicated R&D team, more than 40 national patents, six to ten quality-control staff, and two production lines. It offers downhole tools, cementing tools, wellhead equipment, oil-well packers, tubing anchors, and torque anchors. The company states that it provides research, development, manufacturing, sales, and after-sales service. Export activity is documented since 2014, with markets in South America and Europe, although export sales represent only 11%–20% of total sales. Evidence is insufficient to assess financial credibility, customization capability, or specific customer cases.

Supplier typeThe supplier is a Chinese limited company engaged in manufacturing and processing machinery, specifically oilfield tools and equipment. Its stated activities cover research, development, manufacturing, sales, and after-sales service, indicating a manufacturer rather than only a trading intermediary.

CertificationsThe supplier explicitly reports ISO9000 international quality-system certification and current ISO9001:2015, ISO14001:2015, and ISO45001:2016 certificates. These certifications provide direct evidence of formal quality, environmental, and occupational-health-and-safety management systems.

After-Sales capabilityThe company explicitly states that its business includes sales and after-sales service for oilfield tools and equipment. However, the slices do not describe service coverage, staffing, response times, spare parts, or warranty terms.

R&D capabilityThe supplier reports a practical and experienced R&D team, more than 40 national patents, five years of R&D-engineer experience, and a stated focus on new products and technology. These claims directly support an established innovation function, although no patent titles or technical performance data are provided.

Production capacityThe supplier operates a manufacturing plant of 11,000 square meters, two production lines, and reports one-month order fulfillment in both off-peak and peak seasons. Its listed product scope covers multiple oilfield equipment categories, supporting production capability, although detailed capacity and equipment information is unavailable.