Can you tell me the price for the cylinder?

1. Please advice the drawing with technical requirement. 2. Please advice the model No. after you check our booklet. 3. Please advice the tipping capacity, number of stages, closed length, mounting type and size. 4. Please also help advice the quantities, this is very important.

Do your products come with a warranty?

Yes, we have 14 months from production time. In this time, if the quality problem we will free repair for you.

Hydraulic cylinder internal leakage?

3 main reasons causing internal leakage: overload, polishing bad controlled, cheap seal kits. As is known to all, vehicles in China are often overloaded, our products all designed to bear the overload power. Advanced equipment could assure the polish processing. And we use the imported/TOP brand seals to meet customers' requirement.

What about the quality feedback of your products?

WE HAVE NEVER RECEIVED EVEN ONCE QUALITY COMPLAINT FOR MANY YEARS OF INTERNATIONAL BUSINESS.

Can you help me to install or recommend what kind of hydraulic cylinder or power pack should I use for specific machine?

Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will design the exact products match your need.

What is your main payment term?

T/T, L/C, Western Union, Paypal. Either is available.

High Quality Heavy-Duty Mining Truck Rear Suspension Cylinder Hydro-Pneumatic Spring

Name: High Quality Heavy-Duty Mining Truck Rear Suspension Cylinder Hydro-Pneumatic Spring
Brand: Shandong Wantong Hydraulic Co., Ltd.
SKU: 1968161741

Shandong, ChinaShandong Wantong Hydraulic Co., Ltd.

US$1,000.00-2,000.00

2 Pieces

Product profile

Customization

Available

Certification

GS, ISO9001, ISO/Ts 16949

Pressure

<21 MPa

Model NO.

280/250*320

Work Temperature

-30~+80 Degree Centigrade

Acting Way

Single Acting

Working Method

Straight Trip

Adjusted Form

Telescopic Type

Structure

Piston Type

Material

20mnv, 40crnimo, Cast Iron

Outer Tube Diameter

280 mm

Maximum Stroke

320 mm

Delivery Time

20 Days

Warranty

14 Months From Production Time

Color

as Customer's Requirement

Transport Package

Pallet, Wooden Case or as Customer's Requirement

Specification

280/250*320

Trademark

WTJX

Origin

Shandong, China

HS Code

8412210090

Production Capacity

300, 000 Sets / Year

Key features

Customizable Dimensions: Outer tube diameter and maximum stroke can be customized to client requirements.

Customizable Color: Color is available as per customer's specific requirement.

High Pressure Resistance: Designed to withstand pressure up to 21 MPa for heavy-duty mining applications.

Wide Temperature Range: Operates effectively in temperatures ranging from -30 to +80 degrees Celsius.

Comprehensive Warranty: Includes 14 months warranty from production time with free repair for quality issues.

Advanced Material Quality: Constructed with 20mnv, 40crnimo, and cast iron with imported top-brand seals.

Full Process Testing: Every cylinder undergoes 100% testing including leak, pressure-tight, and reliability tests.

Professional Engineering Support: 25 experienced engineers available for design, installation, and technical support.

Company profile

Cooperated with Fortune 500Importers and ExportersYears of Export ExperienceExperienced Team

Shandong Wantong Hydraulic Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤6.70h

AI-Powered supplier vetting

SummaryThe supplier manufactures hydraulic cylinders and hydraulic lifting systems for dump trucks, engineering machinery, and other mechanical equipment. It provides customized design, development, selection, technical training, and after-sales support, with stated ODM and OEM capabilities. Evidence indicates structured quality, supplier-service, inspection, and corrective-action procedures, alongside multiple management and product certifications. Production resources include five production lines, 50 years of combined R&D engineer experience, 11–20 quality-control staff, and stated hydraulic-cylinder output of 300,000 sets. Overseas support is limited: no overseas warehouse, showroom, agent, branch, or offline trade-show participation is reported, although installation, training, repair, maintenance, and debugging services are listed. Financial information is represented only by year labels, so credibility cannot be assessed from the provided data.

Supplier typeThe supplier is a manufacturer of telescopic, engineering-equipment, mechanical-equipment, and hydro-pneumatic suspension cylinders, hydraulic lifting systems, and hydraulic components. Its five production lines and stated hydraulic-cylinder output support classification as a specialized hydraulic equipment manufacturer.

CertificationsThe supplier reports QHSE, OHSAS/OHSMS 18001, TS 16949, and ISO 9001 supplier-management certifications, plus China safety and environmental, occupational health and safety, integrated management, and DCMM Level 2 certifications. Products are stated to have IATF16949 and Coal Mine Safety Mark certifications, with additional ISO45001:2018, ISO14001, and CE-related capability reported.

After-Sales capabilityThe company states that it provides technical training and after-sales service, and lists equipment installation, training, repair, maintenance, and debugging among its overseas service offerings. Service management has written procedures, records, approved-supplier information, and corrective/preventive-action procedures, but no overseas warehouse, showroom, agent, branch, or offline trade-show participation is reported.

R&D capabilityThe supplier reports new products within the past year, ODM capability, broad R&D customization services, and 50 years of combined R&D-engineer experience. However, no SDK is available; this limits evidence for software or platform integration capability but does not negate the demonstrated product-development capability.

Production capacityProduction evidence includes numerical-control machine tools, a Longmen machining center, five production lines, 11–20 quality-control staff, and stated hydraulic-cylinder output of 300,000 sets. The supplier also reports finished-product inspection instructions that are uniformly followed and an off-season average lead time within 15 workdays.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. Its company description also covers customized preliminary design, development, product selection, and design-scheme finalization, indicating broad engineering customization support.

Client casesThe product portfolio is identified for dump trucks, mechanical equipment, engineering machinery, and hydraulic systems, and the supplier states that it provides OEM services for well-known brands. Specific customer names, project references, order histories, or verifiable case studies are not provided.

Product Q&A

Q:What are the same aspects of your cylinder with Hyva cylinder?

Same inside structure. Same outside dimension and same mounting sizes. It can be interchangeable with Hyva's

Q:Compared with Hyva cylinder, what are your cylinder advantages?

1. Rod are chrome plated. 2. Tubes are quenched and tempered. 3. Tube inner hole goes through deep hole boring machine processing. Surface roughness is 0.4Ra and circular degree is 0.025. 4. Good quality yet lower price.

Q:Are you a manufacture or a trade company?

Manufacture, we are the leader manufacturer of hydraulic industry in China with over 20 years' experience and technology accumulation. With strong technical team we could solve any annoyance of you.

Q:Do you have quality control system?

Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.

Q:How can I get a booklet and buy a cylinder from you?

Very easy! Just leave me a message or email or call me directly, let me know you are interesting in our products. I will talk with you for the details soon!