What certifications does the company hold?

Our factories are certified by ISO9001, ISO9002, and ISO/TS16949.

What is the inspection process for finished products?

We perform 100% inspection including visual and function inspection following uniform instructions.

Which industries can use these chains?

They are used in agriculture, food processing, logistics, packaging, petroleum, and engineering machinery.

Durable Steel Side Bow Chain with Superior Strength Features

Name: Durable Steel Side Bow Chain with Superior Strength Features
Brand: Hangzhou Sfr Technology Co., Ltd.
SKU: 2128457775

Zhejiang, ChinaHangzhou Sfr Technology Co., Ltd.

US$3.50

100-199 meters

US$3.40

200-499 meters

US$3.30

500-999 meters

US$3.20

1,000+ meters

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy

Structure

Roller Chain

Surface Treatment

Electroplating

Chain Size

1/2"*11/128"

Feature

Heat Resistant

Tensile Strength

3.5-38.8kN

Standard or Nonstandard

Standard

Keywords

Engine Parts

Size

Customer Size Accepted

Sample

Accepted

Service

Accept OEM ODM

Customized Support

OEM, ODM, Obm

Type

Roller Chain

Product Name

Industrial Roller Chain

Used

Industry Chain

Quality

High-Quality

Model

Choice

Manufacturing Process

Assembly

Transport Package

Box Packaging

Trademark

SFR

Origin

Zhejiang

Key features

Customized Support: Accept OEM, ODM, and Obm services with customer size acceptance.

Heat Resistant: Engineered for high-temperature environments in various industries.

Wide Application: Suitable for food processing, agriculture, logistics, and heavy machinery.

High Quality: Certified by ISO9001, ISO9002, and ISO/TS16949 quality management systems.

Global Export: Products exported to over 80 countries worldwide with extensive variety.

Advanced Manufacturing: Utilizes high-speed punching and automatic assembly lines for precision.

Strong Tensile: Tensile strength ranges from 3.5 to 38.8 kN for heavy-duty tasks.

Fast Lead Time: Peak and off-peak season lead time within 15 workdays or one month.

Company profile

Patents AwardedOEM ServicesQA/QC InspectorsR&D Capabilities

Hangzhou Sfr Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness 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: Shanghai Port, Ningbo PortAverage Response Time: ≤1.55h

AI-Powered supplier vetting

SummaryHangzhou Sfr Technology Co., Ltd. is a China-based factory and limited company established in 2011, with 202 employees and production scope covering multiple chain and sprocket categories. It holds a valid import/export license, has exported goods for 13 years, and derives 51%–70% of total sales from exports. The supplier provides extensive customization and ODM/OEM services, reports new products within the past year, and has received one national science and technology progress award. Finished-product inspection instructions are available and uniformly followed. Evidence of after-sales infrastructure, overseas branches, ERP-based operational digitalization, and detailed financial performance is limited. The supplier reports OEM service for well-known brands, but no specific customer names or cases are provided.

Supplier typeThe supplier is identified as a factory and a limited company, operating as a combined business entity in Hangzhou, Zhejiang, China. Its stated business scope includes production of transmission chains, chains, transmission-chain components, and automotive timing-system chain and sprocket projects.

CertificationsThe supplier reports one national science and technology progress award and confirms that it holds a valid import/export license. However, no specific product, quality, or management-system certifications are identified in the provided information.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and holds one national science and technology progress award. It does not have an available SDK, and no sustainable-development or ERP-based digital-management capability is reported, leaving the overall innovation infrastructure only partially demonstrated.

Production capacityThe supplier operates as a factory with 202 employees and produces a broad range of conveyor, motorcycle, agriculture, drive, transmission, leaf, stainless-steel chains, and sprockets. It has standardized finished-product inspection instructions, 13 years of export experience, and a valid import/export license, supporting established production and export operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services and reports new products within the past year, indicating broad product-development and customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of serving recognized-brand customers. However, no brand names, project details, product references, or verifiable customer case descriptions are supplied.