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.

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 79 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.

Durable Customized Rear Suspension Cylinder Hydro-Pneumatic Spring

Name: Durable Customized Rear Suspension Cylinder Hydro-Pneumatic Spring
Brand: Shandong Wantong Hydraulic Co., Ltd.
SKU: 2158310095

Shandong, ChinaShandong Wantong Hydraulic Co., Ltd.

US$1,000.00-10,000.00

2 Pieces

Sample price:US$2000.00/piece.Request sample

Product profile

Customization

Available

Certification

GS, ISO9001, ISO/Ts 16949;EAC;GOST;Aqa

Pressure

<21MPa

Model NO.

216/178*148

Work Temperature

-30~+80 Degree Centigrade

Structure

Piston Type

Material

42grmo,Qt600-3

Outer Tube Diameter

216mm

Maximum Stroke

148mm

Estimated Time

20 Days

Color

as Customer's Requirement

Warranty

14 Months From Production Time

Transport Package

Pallet, Wooden Case or as Customer's Requirement

Specification

Bore216 Rod178 Stroke148

Trademark

WTJX

Origin

Shandong, China

HS Code

8412210090

Production Capacity

300, 000 Sets / Year

Key features

Hydro-Pneumatic Design: Uses nitrogen and oil for compression and shock absorption with simple structure.

High Load Capacity: Withstands greater pressure and weight, suitable for wide-body mining dump trucks.

Customizable Dimensions: Outer tube diameter and maximum stroke can be customized as per customer requirements.

Premium Material Quality: Rod is chrome plated, tubes are quenched and tempered with high surface roughness control.

100% Quality Testing: Every cylinder undergoes 9 strict tests including leak and reliability tests before shipment.

Professional OEM/ODM: Factory with 79 engineers offering full customization from samples or designs.

Long Service Life: Good fatigue resistance ensures extended durability in harsh mining environments.

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

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: ≤8.39h

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 advantages of your cylinder compared to Hyva cylinder?

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 manufacturer or a trading 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 a 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!

Q: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.