What payment terms are accepted?

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

Is OEM or ODM service available?

Yes, both OEM and ODM services are available for our products.

What is the minimum order quantity?

The provided text does not specify a minimum order quantity (MOQ).

AISI A4138m Grade D Hl Polished Sucker Rod for Oilfield

Name: AISI A4138m Grade D Hl Polished Sucker Rod for Oilfield
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 2063924835

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$40.00

100 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

After Sale Service

Warranty

18 Months

Model NO.

1-1/4

Manufacturing Process

CNC Milling

Surface Treatment

Paint

Operation Pressure

None

Material

Alloy

Transport Package

by Bundle

Specification

5/8" 3/4" 7/8" 1" 1-1/8"

Trademark

Origin

China

HS Code

8431431000

Production Capacity

3000 PCS Per Month

Key features

Ultra-High Strength Grade HL: 22% greater strength than Grade D without sacrificing plasticity for deep wells.

High Precision CNC Threads: Special-purpose CNC lathe ensures high precision, reliability, and extended lifespan.

Advanced Heat Treatment: Quenching, continuous tempering, and sand blasting for superior mechanical strength.

Comprehensive Quality Control: ISO 9001/14001/45001 certified with independent inspection and full traceability.

18 Months Warranty: All products come with a standard 18-month warranty period for peace of mind.

Corrosion Resistance: Suitable for deep or large pumping wells in corrosion-free or mildly corrosive environments.

Wide Size Range: Available in multiple diameters from 5/8' to 11/8' to match various oilfield needs.

Established Manufacturer: Over 20 years of experience with advanced production lines and global export reach.

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: ≤15h 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.

Product Q&A

Q:What is the difference between Grade D and Grade HL sucker rods?

Grade HL sucker rods share the same structure and size as Grade D but have 22% greater strength through appropriate heat treatment, without sacrificing plasticity.

Q:What is the warranty period for these products?

The warranty period for all our products is 18 months.

Q:What certifications does the company hold?

We are ISO 9001, ISO 14001, and ISO 45001 certified, with complete quality systems for design, manufacturing, and monitoring.

Q:What are the main applications for Grade HL sucker rods?

Grade HL sucker rods are suitable for deep or large pumping oil wells in corrosion-free or mildly corrosive environments.

Q:What is the average lead time for orders?

The average lead time is one month for both peak season and off-season.