High Standard Wellhead Type Hds HDP 4krvs/4krbm Roller Kelly Bushing

Name: High Standard Wellhead Type Hds HDP 4krvs/4krbm Roller Kelly Bushing
Brand: Shandong Rongye Machinery Co., Ltd.
SKU: 1975715441

Shandong, ChinaShandong Rongye Machinery Co., Ltd.

US$2,200.00

5-9 Pieces

US$2,180.00

10+ Pieces

Product profile

After-sales Service

Have

Warranty

Have

Manufacturing Process

Casting

Model NO.

4KRVS /4KRBM

Surface Treatment

Spray-Paint

Operation Pressure

Atmospheric Pressure

Material

Alloy

Type

Slip

Use

Well Drilling

Video Outgoing

Provided

Stock

in Stock

Size

All

Standard

Machine Type

Drilling Tool

Machinery Test Report

Provided

Color

as Shown

Condition

100% New

Delivery Time

on Terms

Installation

Vertical

Open Mold

Yes

OEM Service

Yes

Transport Package

Standrad Export Package

Specification

HDS /27-HDP /20-HDP/4KRVS /4KRBM

Trademark

RONGYE

Origin

China

HS Code

8431431000

Production Capacity

10000PCS/Yeas

Key features

Fully compliant with A PI 7K industry standard, integrated alloy steel forging structure, heavy load torque resistance, stable rotation for long-term oilfield drilling work.

Complete model coverage including HDS square drive, HDP pin drive, 4KRVS & 4KRBM roller kelly bushings, compatible with 17-1/2"~49-1/2" rotary tables and various square/hex kellys.

Low-friction roller rolling design greatly reduces kelly abrasion, split assembly for quick disassembly, replaceable roller components to cut maintenance costs.

Company profile

Importers and ExportersLow MOQCustomization from DesignsManagement Certification

Shandong Rongye Machinery Co., Ltd.

Shandong, China

Business Type: Trading CompanyAverage Response Time: ≤1.43h

AI-Powered supplier vetting

SummaryShandong Rongye Machinery Co., Ltd. is identified as a limited-company trading company with three employees and no stated affiliation with a larger group. It offers customization from customer designs and accepts several international trade and payment terms, with a stated one-month average lead time in both peak and off-season. However, the available information indicates no overseas showroom, overseas agent or branch, overseas-service coverage, offline trade-show participation, ODM service, SDK, recent new-product launches, or OEM work for popular brands. The supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reported regular fire drills. Service procedures exist for supplier assessment, corrective actions, and complaints, but no written records were provided. Financial-related entries identify reporting years but do not provide sufficient evidence to assess financial credibility. Customer-case evidence is limited, with no Fortune 500 cooperation and zero stated repeat buyers.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. A TUV Rheinland audit is also listed with a validity period from September 3, 2025 to September 2, 2026, but the recorded audit evaluation result is 0 and the meaning of that value is not defined in the provided data.

After-Sales capabilityThe supplier has procedures for corrective and preventive actions, customer complaints, supplier assessment, and service quotations, but no written records were provided for these procedures. It has no overseas showroom, overseas agent or branch, overseas-service coverage, or prior offline trade-show participation, limiting evidence of international after-sales support.

R&D capabilityThe supplier has one R&D engineer and can customize from customer designs, but reports no new products in the past year, no ODM service, and no available SDK. These stated limitations indicate weak demonstrated innovation capability.

Customization capabilityBoth relevant records state that the supplier provides customization from customer designs. This is explicit evidence of design-based customization, although it does not establish broader ODM or independent product-development capability.

Client casesThe supplier reports no cooperation with Fortune 500 companies and a repeat-buyer count of zero. No other named customer cases or reference projects are provided, so the available evidence does not demonstrate an established customer track record.

Product Q&A

Q:What's the difference between HDS, HDP, 4KRVS and 4KRBM roller kelly bushing?

HDS is heavy-duty square drive type; HDP is medium-duty pin drive; 4KRVS and 4KRBM are standard roller drive models, supporting different torque and kelly size ranges.

Q:Does this roller kelly bushing pass official industry certification?

All units are manufactured under A PI Spec 7K, complete factory pressure test reports and material inspection certificates can be provided.

Q:Can you supply matching spare rollers and repair parts?

Full set of replacement rollers, pins and sealing accessories are in stock, customized sizes are acceptable for bulk rig orders.