What thread types are compatible?

It supports 2-7/8' EUE, 3' LP, and 3-1/2' EUE connecting threads.

Does the product offer lubrication features?

Yes, it includes a Lub Upper Gland (LUG) with a grease zerk.

Polished Rod Stuffing Box for Oil Well Drilling

Name: Polished Rod Stuffing Box for Oil Well Drilling
Brand: Dongying Zhaoxin Industry and Trade Co, Ltd.
SKU: 1926197926

Shandong, ChinaDongying Zhaoxin Industry and Trade Co, Ltd.

US$300.00

1 Piece

Product profile

Customization

Available

Standard

Material

Forged

Model NO.

1"-1-1/2"

Usage

Forged

Application

Machinery

Transport Package

Plywood Case

Specification

1"-1-1/2"

Origin

Shandong

Key features

Wide Thread Compatibility: Supports bottom threads from 1.3/4' to 4' including EUE and LP types.

High Pressure Resistance: Designed for working pressures up to 1500psi with excellent sealing.

Durable Material Options: Constructed from AISI1045/4130 casting steel or ductile iron.

Unique Misalignment Feature: Reduces need for exact alignment with the pumping unit.

Lubrication System: Equipped with Lub Upper Gland (LUG) and optional Oil Reservoir Gland.

Easy Installation: Simple structure allows for convenient installation and maintenance.

Customizable Configuration: Available in Single, Double, or Triple packing options.

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: ≤11.60h 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.