Does the product have any patents?

Yes, the product has been awarded two utility model patents and one design patent.

What is the hardness range of the clamp?

The allowable hardness range is between 190 and 300 HB.

What is the warranty period?

The warranty period is 6 months.

Ap 11b Polished Rod Clamp

Name: Ap 11b Polished Rod Clamp
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1986796515

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$100.00

10 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

After Sale Service

Warranty

6 Months

Model NO.

1-1/4"

Manufacturing Process

CNC Milling

Surface Treatment

Phosphating

Operation Pressure

1000 Psi

Material

Alloy

Usage

Worked with Polished Rod

Type

Forged and Casting

Application

Oilfield Production

Length

as Client Request

Transport Package

Wooden Case

Specification

1-1/8" 1-1/4" 1-1/2"

Trademark

Origin

China

HS Code

8481431000

Production Capacity

3000 PCS Per Month

Key features

Industry Standard Compliance: Meets SY/T5029-2013 and AP Spec 11B industry standards.

Patented Design: Awarded two utility model patents and one design patent.

Rod Protection: No dent design effectively reduces damage to polished rod and stuffing box.

High Load Capacity: Maximum rated load up to 75% of initial slippage load.

Flexible Configuration: Can be used alone or paired with two same models to increase load.

Diverse Material Options: Available in ASTM A536 ductile iron or AISI carbon steel.

Customizable Length: Length is available as per client request.

Hardness Range: Allowable hardness range between 190 and 300 HB.

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: ≤10.62h 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.