What information is required for quotation?

Please provide the equipment model, installation position, part number, seal dimensions, material requirements, quantity, drawings, or clear product photos.

Do you supply complete seal kits or individual seals?

Both are available. We can supply individual sealing rings, sealing assemblies, or complete seal repair kits according to customer requirements.

What is your delivery time?

Normally 7-25 days, depending on the product type, order quantity, and customization requirements.

Do you provide export service?

Yes. We provide professional export packaging and complete export documentation to support worldwide shipments.

Schwing Rock Valve Small-End Rubber Seal Repair Kit

Name: Schwing Rock Valve Small-End Rubber Seal Repair Kit
Brand: Shandong Zhongliao Concrete Pump Parts Co., Ltd.
SKU: 1994222981

Shandong, ChinaShandong Zhongliao Concrete Pump Parts Co., Ltd.

US$9.80

50 Sets

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

DN200

Type

Sealing Kit

Application

Concrete Pump Parts

Certification

ISO9001: 2000

Condition

New

Material

Rubber

Color

Multicolor

Applicable Brands

Putzmeister, Schwing

Weight

0.2

Transport Package

Bagged

Specification

DN200

Trademark

ZHONGLIAO

Origin

China

Production Capacity

300000/Year

Key features

Premium Wear-Resistant Materials: Manufactured from NBR, polyurethane, PTFE, and rubber for excellent abrasion resistance.

OEM & ODM Customization: Full customization available based on drawings, samples, dimensions, and technical requirements.

Comprehensive Product Range: Includes S valve seals, cylinder kits, piston seals, and complete seal repair kits.

Strict Quality Control: 100% inspection before delivery with precision molding and dimensional checks.

Fast Production Delivery: Standard lead time of 7-25 days depending on order quantity and customization.

One Year Warranty: Comprehensive warranty coverage for all mechanical defects and performance issues.

Global Export Support: Professional export packaging and documentation for worldwide shipping.

ISO9001 Certified: Manufactured under strict quality management systems with certified standards.

Company profile

Cooperated with Fortune 500High Repeat Buyers ChoiceImporters and ExportersExhibition Experience

Shandong Zhongliao Concrete Pump Parts Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 8 years CertifiedNearest Port: QingdaoAverage Response Time: ≤2.44h

AI-Powered supplier vetting

SummaryZhongliao is a limited, non-group company with 35 employees engaged in producing and selling concrete pump accessories, rubber hoses, rubber products, and related items. It reports OEM service for well-known brands, flexible customization, 10 production lines, in-stock service, and written procedures for service assessment, corrective actions, and complaint handling. Its export experience is stated as 8 years, but export staffing is limited to one experienced employee. No SDK is available, and the supplier lacks a valid manufacturing-capacity contract with related subcontractors, overseas warehouse capability, overseas showroom capability, batch quantity reconciliation, and an outsourcing SOP. The provided information does not identify certifications or specific customer cases.

Supplier typeThe supplier is a limited company, not part of a larger company group, with 35 employees. Its stated business includes production and sales of concrete pump accessories, pump truck accessories, rubber hoses, and rubber products, plus import and export activities.

After-Sales capabilityThe supplier highlights first-class after-sales service and reports written, followed procedures for service assessment, corrective and preventive actions, and customer complaints. It also has in-stock service capacity, although it lacks overseas warehouse and showroom capabilities.

Production capacityThe supplier reports 10 production lines and a facility containing machining, welding, wire winding and gluing, wrapping, vulcanization, and assembly equipment. It has in-stock capacity, but does not continuously reconcile batch quantities and has no outsourcing SOP; it also lacks a valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly reports flexible customization and states that it can cooperate in producing various series of concrete pump hoses, wet spray trolley hoses, and accessories from major manufacturers. This directly supports customized production capability.

Product Q&A

Q:What types of concrete pump seals do you supply?

We supply S valve seals, S tube seals, big-end and small-end seals, hydraulic cylinder seal kits, piston seals, rod seals, O-rings, dust seals, guide rings, agitator shaft seals, hopper seals, and other sealing components.

Q:Are these seals only used in hydraulic cylinders?

No. Our sealing products are used in various positions, including S valves, S tubes, big-end and small-end assemblies, hydraulic cylinders, swing cylinders, agitator shafts, hoppers, and other concrete pump components.

Q:What materials are available?

NBR, polyurethane, PTFE, wear-resistant rubber, and other customized materials are available according to the application and working conditions.

Q:Can you provide seals for specific concrete pump models?

Yes. We can supply suitable sealing products according to equipment model, part number, installation position, drawings, dimensions, or samples.

Q:Can you provide OEM or customized seal kits?

Yes. We support OEM and customized production based on drawings, samples, dimensions, materials, hardness, and technical requirements.