What are the payment terms?

The terms of payment are LC (Letter of Credit) and T/T (Telegraphic Transfer).

What is the lead time for production?

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

Where is the company located?

The company is located in Dongying city, Shandong, China, near the Shengli Oilfield.

Slip on Welded Bow Spring Casing Centralizer for Oilfield

Name: Slip on Welded Bow Spring Casing Centralizer for Oilfield
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1964783745

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$50.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

5-1/2*8-1/2, 6*8-1/2, 13-3/8*17-1/2, 20*26

Manufacturing Process

Casting

Surface Treatment

Galvanized

Operation Pressure

Atmospheric Pressure

Material

Alloy

Transport Package

Wooden Case

Specification

5-1/2*8-1/2, 6*8-1/2, 13-3/8*17-1/2, 20*26

Trademark

Origin

China

HS Code

8431431000

Production Capacity

10000 PCS Per Month

Key features

Optimal Standoff Design: Provides optimum standoff in minimal clearance wellbores for effective mud removal.

Customizable Sizes: Sizes from 4.5 to 20 inches available with customized service options.

High-Strength Material: Made of heat-treated spring steel ensuring maximum restoring forces and low running forces.

Reduced Casing Drag: Minimizes differential sticking and reduces casing drag during operation.

ISO Certified Quality: ISO 9001, 14001, 45001 certified with full quality monitoring and traceability.

Easy Installation: Designed for easy installation over casing between stop collars and casing collars.

Flexible Movement: Allows pipe rotation and reciprocation to enhance operational efficiency.

Manufacturer Direct: Established in 2001, specializing in oilfield tools with global export experience.

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: ≤11.51h 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 warranty period for this centralizer?

The warranty period for all our products is 18 months.

Q:What materials are used to make the bows?

The bows are made of heat-treated spring steel to ensure maximum restoring forces and low running forces.

Q:What sizes are available for the centralizer?

Sizes from 4 1/2 to 20 inches are available, and customized services can also be provided.

Q:What certifications does the company hold?

We are ISO 9001, ISO 14001, and ISO 45001 certified, with complete quality systems in place.

Q:What are the main features of this product?

Features include low starting and running forces, minimized differential sticking, reduced casing drag, and allowance for pipe rotation and reciprocation.