What materials are used for the cylinder body?

The body material is No.45 steel, providing durability and strength for heavy-duty applications.

High Pressure Hydraulic Return Single Double Acting Hydraulic Cylinder Jack Air Pump Push Pull Bridge Hydraulic Jack with Long Stroke

Name: High Pressure Hydraulic Return Single Double Acting Hydraulic Cylinder Jack Air Pump Push Pull Bridge Hydraulic Jack with Long Stroke
Brand: Zhengzhou Kovi Machinery Co., Ltd
SKU: 2024108382

Henan, ChinaZhengzhou Kovi Machinery Co., Ltd

US$200.00-5,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Video Technical Support, Online Support

Warranty

1 Year

Name

High Quality 300ton High Tonnage Hydraulic Jack Fo

Keywords

50 Ton Hydraulic Bottle Jack

Application

Lifting Tools

Lifting Capacity

10-500t

Stroke

100-500mm

Working Pressure

63MPa

Power

Hydraulic

Tonnage

10t-300t

Body Material

No.45steel

Pump Power

0.5-6kw

Usage

Automatic Control Operation

Key Word

High Tonnage Hydraulic Jack

Kw

300ton Hydraulic Jack

Min.Height

106mm-256mm

Structure

Piston Type

Transport Package

Export Wooden Case Packaging

Trademark

KOVI

Origin

China

HS Code

8412210000

Production Capacity

300pieces/Month

Key features

High Tonnage Capacity: Available in 10t to 1000t capacity for heavy lifting tasks.

Long Stroke Options: Stroke lengths range from 100mm to 500mm for extended reach.

Double Acting Design: Enables positive retraction for efficient operation in narrow spaces.

Superior Corrosion Resistance: Baked enamel finish and plated pistons protect against rust.

Safety Valve Protection: Prevents damage from accidental over-pressurization on retract side.

Integral Stop Ring: Provides critical piston blow-out protection during operation.

1 Year Warranty: Covers mechanical defects with free spare parts for one year.

24/7 Technical Support: Video and online support available for troubleshooting and guidance.

Company profile

Zhengzhou Kovi Machinery Co., Ltd

Henan, China

Business Type: Manufacturer/FactoryExport Year: 2018-12-28Nearest Port: Qingdao, Shanghai, GuangzhouAverage Response Time: ≤3.82hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryZhengzhou Kovi Machinery Co., Ltd is identified as a China-based manufacturer/factory producing industrial home-textile machinery and related production lines. It reports integrated R&D, manufacturing, assembly, sales, and after-sales operations, with customization available from samples, designs, and full or minor specifications. Its stated after-sales system aims to respond to global customer issues within two hours. However, the available information indicates no 3D software design service, no new products launched in the past year, one R&D engineer, no stock, no overseas warehouse, showroom, agent, or branch, and no participation in offline trade shows. Certification, financial credibility, production capacity, and customer cases are not sufficiently documented.

Supplier typeThe supplier is explicitly identified as Zhengzhou Kovi Machinery Co., Ltd, a China-based manufacturer/factory in Zhengzhou, Henan. Its stated operations include R&D, manufacturing, assembly, sales, and after-sales service, although another record labels the company type as a trading company, creating an inconsistent classification.

After-Sales capabilityKOVI states that it has an after-sales system and professional technical staff who aim to respond to global after-sales problems and provide solutions within two hours. This is supported by its stated integrated after-sales function, but the supplier also reports no overseas agents or branches and zero countries offering overseas services, which may limit local support coverage.

R&D capabilityThe supplier describes independent R&D capability and lists customization services, but it reports one R&D engineer and no new products launched in the past year. It also does not provide 3D software design services, so the evidence does not establish strong recent innovation performance.

Production capacityKOVI is identified as a machinery manufacturer/factory with stated R&D, manufacturing, and assembly functions and a product range covering pillow, plush-toy, down-jacket, and quilt production lines plus related machinery. However, it reports no in-stock capability and the status of a valid manufacturing-capacity contract is unknown; documented output, capacity, and equipment scale are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This provides direct evidence of broad customization coverage, although no 3D software design service is available.