What certifications does the company hold?

Our factories are certified under ISO9001, ISO9002, and ISO/TS16949 Quality Management Systems.

What is the warranty or quality guarantee?

We perform 100% inspection on finished products including visual and functional checks.

Which ports are used for shipping?

We ship from Shanghai Port and Ningbo Port.

Premium Jb Series Double Plus Elevator Step Chain for Smooth Operation

Name: Premium Jb Series Double Plus Elevator Step Chain for Smooth Operation
Brand: Hangzhou Sfr Technology Co., Ltd.
SKU: 2132655565

Zhejiang, ChinaHangzhou Sfr Technology Co., Ltd.

US$5.38

500-999 Pieces

US$4.99

1,000-1,499 Pieces

US$4.21

1,500-1,999 Pieces

US$3.89

2,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy

Structure

Roller Chain

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

Trademark

SFR

Origin

Zhejiang

Key features

Customized Support: Accept OEM, ODM, and OBM services with flexible customization options.

Wide Application Range: Suitable for agricultural machinery, elevators, logistics, and food processing.

High Tensile Strength: Tensile strength ranges from 3.5 to 38.8 kN for robust performance.

Heat Resistant: Designed with heat-resistant features for demanding industrial environments.

ISO Certified Quality: Manufactured under ISO9001, ISO9002, and ISO/TS16949 quality systems.

Extensive Product Portfolio: Over 2000 series and 8000+ product specifications available.

Global Export Experience: Products exported to over 80 countries worldwide.

100% Inspection: All finished products undergo visual and functional inspection.

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.