Which industries can use these chains?

They are widely used in agricultural machinery, logistics, packaging, food processing, construction, and environmental protection equipment.

Does the manufacturer have quality certifications?

Yes, the manufacturer is certified by ISO9001 and ISO/TS16949 Quality Management Systems.

What is the warranty or quality guarantee?

Products undergo 100% inspection (visual and function) before shipment, ensuring high quality and reliability.

High-Efficiency Free Flow Chain for Streamlined Assembly Operations

Name: High-Efficiency Free Flow Chain for Streamlined Assembly Operations
Brand: Hangzhou Sfr Technology Co., Ltd.
SKU: 2140321945

Zhejiang, ChinaHangzhou Sfr Technology Co., Ltd.

US$5.38

500-999 meters

US$4.99

1,000-1,499 meters

US$4.21

1,500-1,999 meters

US$3.89

2,000+ meters

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy

Structure

Roller Chain

Model NO.

BS series

Surface Treatment

Electroplating

Chain Size

1/2"*3/32"

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

Packing

Chain+Plastic Bag+ Carton+Wooden Case

Product Name

Agricultural Roller Chain

Used

Harvester Chain

Quality

High-Quality

Model

Choice

Manufacturing Process

Assembly

Transport Package

Box Packaging

Specification

1/2"*11/128"

Trademark

SFR

Origin

Zhejiang

Key features

Customization Support: Accepts OEM, ODM, and customer-specific sizes for tailored solutions.

High-Quality Materials: Constructed from alloy with electroplating, offering heat resistance and durability.

Wide Application Range: Suitable for agricultural, logistics, packaging, and food processing industries.

Robust Performance: Features high strength, wear resistance, precision, and corrosion resistance.

Certified Manufacturing: ISO9001 and ISO/TS16949 certified with over 180 patents and 70+ R&D patents.

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

Global Export Experience: Exported to over 80 countries with 13 years of export experience.

Strict Quality Control: 100% inspection for finished products including visual and function checks.

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: ≤1.32h

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.

Product Q&A

Q:What customization options are available?

We accept OEM, ODM, and customer-specific sizes. Customization options include samples, designs, full customization, minor customization, and flexible customization.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 20 pieces.

Q:What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Q:What is the lead time for production?

The average lead time is within 15 workdays during peak season and off-season, or approximately one month.

Q:What materials and treatments are used?

The chains are made of alloy with electroplating surface treatment, featuring heat resistance and high strength.