What is the testing load capacity?

The testing load varies by capacity, ranging from 3.1kN for 0.25T to 625kN for 50T models.

What is the shell material?

The shell is made of alloy steel pressing for robustness and durability.

Heavy-Duty 20 Ton Manual Chain Block for Safe Lifting

Name: Heavy-Duty 20 Ton Manual Chain Block for Safe Lifting
Brand: HANGZHOU TOP LIFT INDUSTRIES CO., LTD.
SKU: 1973689441

Zhejiang, ChinaHANGZHOU TOP LIFT INDUSTRIES CO., LTD.

US$99.90-999.90

10 Pieces

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Operation

Manual

Standard Lifting Height

3m as Standard

Model NO.

TP-HSZ-VD-20T

Load Chain

G80 Black Load Chain

Diameter of Load Chain

10 mm

Testing Load

250kN

Shell Material

Alloy Steel Pressing

Package

Wooden Box

Transport Package

Carton Box, Wooden Case, Pallet

Specification

20T

Trademark

TOPLIFT/OEM

Origin

China

HS Code

8425190000

Production Capacity

5000 PCS/Month

Key features

Superior G80 Chain: Equipped with national standard G80 manganese steel thickened chain for high wear resistance.

Double Ratchet Brake: Robust double ratchet brake system ensures precise and dependable braking for utmost safety.

Needle Bearing Design: Innovative needle bearing chain wheel guarantees smooth movement with no risk of jamming.

Wide Capacity Range: Available in capacities from 0.25T to 50T to meet various industrial lifting needs.

Customizable Chain Length: Standard chain length is 3M, with options for 6M, 9M, and 12M.

Durable Alloy Steel Shell: Constructed with alloy steel pressing for exceptional durability in challenging environments.

OEM and ODM Support: Full support for customization, design, and providing drawing drafts for development.

Fast Sample Delivery: Existing sample orders delivered within 3-7 working days after payment.

Company profile

HANGZHOU TOP LIFT INDUSTRIES CO., LTD.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2012-05-21Nearest Port: Ningbo/ShanghaiAverage Response Time: ≤4.12hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, CIP, EXW, Others

AI-Powered supplier vetting

SummaryHANGZHOU TOP LIFT INDUSTRIES CO., LTD. is identified as a China-based manufacturer/factory in Hangzhou, Zhejiang, focused on lifting, rigging, safety, and related industrial products. It reports six production lines, 11–20 years of R&D engineer experience, 6–10 quality-control staff, export activity to multiple regions, and established export capability. The supplier lists ISO 9001, ASME, OHSAS/OHSMS 18001, and ANSI/ESD certifications, and states that it provides OEM services and after-sales support. Production lead time is reported as one month in off-peak periods and 2–3 months during peak periods. Trade records show three individual transactions associated with one Brazilian buyer in 2025, but these records provide limited evidence regarding broader customer coverage or long-term performance.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and its company nature is also recorded as a factory. It operates from Hangzhou, Zhejiang, China, with a stated factory location in the Xihu Industrial Zone.

CertificationsThe supplier lists OHSAS/OHSMS 18001, ANSI/ESD, ISO 9001, and ASME certifications. These stated certifications provide explicit evidence of formal management, safety, quality, and technical compliance systems, although the provided information does not include certificate validity dates or scope details.

After-Sales capabilityThe supplier states that its professional team provides outstanding pre-sales and after-sales service and support. This is a direct capability claim, but no service response metrics, service organization details, or verified customer evaluations are provided.

Production capacityThe supplier reports six production lines, 6–10 quality-control staff, and defined lead times of one month off-peak and 2–3 months during peak season. These figures explicitly demonstrate organized production capacity and stated delivery capability, although actual capacity utilization and fulfillment performance are not provided.

Customization capabilityThe supplier explicitly states that it provides OEM service and offers multiple quotation and payment terms, while also reporting self-operated import and export rights. OEM support directly indicates customization capability, although the available information does not specify customization scope, tooling, or minimum order requirements.

Product Q&A

Q:Why choose us?

Professional technical guidance, years of production experience, support for customization and design, fast delivery time, and special technology on print.

Q:How long can I get the products?

For existing sample orders, 3-7 working days after payment. For customized sample orders, 7-15 working days after payment. For bulk orders, it depends on your order quantity.

Q:Can you help me make my own design?

YES, we can. OEM and ODM are welcomed. You can tell me idea or provide us the drawing draft. We will develop for you.

Q:What is the standard lifting height?

The standard lifting height is 3 meters, with options for 6M, 9M, and 12M.

Q:What material is the load chain made of?

The load chain is made of G80 manganese steel, which is thickened for superior wear resistance.