What is your quality control process?

We use high-quality steel, standardized production processes, 100% finished product testing, and accept third-party inspections. Our factory is ISO certified.

What are the payment terms?

We accept LC, T/T, PayPal, and Western Union.

What is the lead time for orders?

The lead time is one month during the off-season and 1-3 months during the peak season.

Heavy-Duty Super Alloy Steel Master Link Hook Assembly

Name: Heavy-Duty Super Alloy Steel Master Link Hook Assembly
Brand: HANGZHOU TOP LIFT INDUSTRIES CO., LTD.
SKU: 1968777601

Zhejiang, ChinaHANGZHOU TOP LIFT INDUSTRIES CO., LTD.

US$5.00-20.00

100 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Hook

Model NO.

10-TP1068

Usage

Industrial

Brand

Toplift

Condition

New

Color

Blue

Grade

G100

Safety Factor

4:1

Surface Finish

Powder Plastified

Function

Lifting,Sling,Hoist

Transport Package

Cartonwith Pallet/Gunny Bag

Specification

3T-21.2T

Trademark

TOPLIFT or OEM

Origin

China

HS Code

73269090

Production Capacity

10000PCS/Month

Key features

G100 Super Alloy Steel: Forged super alloy steel, quenched and tempered, 25% stronger than G80.

High Safety Factor: Safety factor 4:1, proof tested at 2.5 times WLL, fatigue tested 20000 cycles.

100% Crack Detection: All load pins individually inspected and tested with 100% magnaflux crack detection.

Powder Plastified Finish: Surface treated with powder plastification for durability and corrosion resistance.

Blue Color Coding: Color coded Blue RAL 5015 for easy identification and compliance.

ISO Certified Factory: Manufactured in ISO Quality Management System Certificated Factory with strict QC.

Custom-Made Capability: Specializes in custom-made and shaped products with numerous patents in rigging.

10 Years Experience: Over 10 years specializing in lifting equipment supply with rich production experience.

Company profile

HANGZHOU TOP LIFT INDUSTRIES CO., LTD.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2012-05-21Nearest Port: Ningbo/ShanghaiAverage Response Time: ≤2.05hTerms 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:What is the material and strength of this master link?

It is made of G100 forged super alloy steel, quenched and tempered, which is 25% stronger than G80.

Q:What safety tests are performed on the product?

Each unit is individually proof tested at 2.5 times the working load limit, fatigue tested at 1.5 times WLL for 20000 cycles, and undergoes 100% magnaflux crack detection.

Q:What is the safety factor of this assembly?

The safety factor is 4:1, meaning the ultimate load is 4 times the working load limit.

Q:What surface finish does the product have?

The surface is powder plastified, and the color is coded Blue (RAL 5015).

Q:Can you provide custom-made products?

Yes, we specialize in custom-made and shaped products and hold numerous patents in rigging hardware.