What is the function of the cylinder head plug?

It is installed in the hydraulic cylinder to press the positioning plate tightly and ensure sealing and pressure maintenance.

Where is this product manufactured?

The product is manufactured in Qingdao, China (Shandong).

Mud Pump Spare Parts Cylinder Head (Lock/Cap) and Valve Cover

Name: Mud Pump Spare Parts Cylinder Head (Lock/Cap) and Valve Cover
Brand: Shandong Rongye Machinery Co., Ltd.
SKU: 2123635492

Shandong, ChinaShandong Rongye Machinery Co., Ltd.

US$330.00

5-9 Pieces

US$329.00

10+ Pieces

Product profile

After-sales Service

Have

Warranty

Have

Manufacturing Process

Casting

Model NO.

Cylinder Head(Lock/Cap)

Surface Treatment

Polishing

Operation Pressure

Atmospheric Pressure

Material

Stainless Steel

Color

as Requirments

Standard

Customized

Model No.

All Size

Working Method

Straight Trip

Application

Mud Pump

Core Components

Pump

Adjusted Form

Regulated Type

Condition

100% Brand-New

Video Outgoing-Inspection

Inspection Provided

Place of Origin

China

Customization

Available

Transport Package

as Requirments

Specification

3NB-350/500/800/1000/1300/1600

Trademark

RONGYE

Origin

China

HS Code

8413910000

Production Capacity

50000PCS/Year

Key features

Wide Compatibility: Fits BOMCO, Hong Hua, EMSCO, Gardner Denver, National, Oilwell, TSC, IDECO, and other major mud pump models.

Premium Material: Constructed from 45 steel with quenching treatment (HB217-255) for enhanced durability and bearing capacity.

Customization Available: Color, standard, model number, and size can be customized according to specific requirements.

Optimized Sealing: Equipped with top-grade cylinder head sealing rings for effective sealing and pressure maintenance.

Extended Service Life: Designed to improve loading conditions and increase the service life of the hydraulic cylinder.

Quality Inspection: Video outgoing inspection is provided to ensure product quality before shipment.

After-Sales Support: Comprehensive after-sales service and warranty coverage are available for all products.

Brand New Condition: All items are 100% brand-new and manufactured using casting and polishing processes.

Company profile

Importers and ExportersLow MOQCustomization from DesignsManagement Certification

Shandong Rongye Machinery Co., Ltd.

Shandong, China

Business Type: Trading CompanyAverage Response Time: ≤1.05h

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.