How do you ensure product quality?

Every product undergoes 100% visual and functional inspection before shipment to guarantee safety and performance.

What standards do your pulleys meet?

Our products comply with European standards (SPZ, SPA, SPB, SPC) and American standards (3V, 5V, 8V, etc.).

What is the minimum order quantity?

The minimum order quantity is 1 unit, allowing for flexible purchasing options.

Variable Speed Pulley

Name: Variable Speed Pulley
Brand: Hangzhou Ocean Industry Co., Ltd.
SKU: 761333905

Zhejiang, ChinaHangzhou Ocean Industry Co., Ltd.

US$5.00

100 Pieces

Product profile

Customization

Available

Material

Cast Iron

Application

Industry

Model NO.

variable speed pulley

Hardness

Hardened

Manipulate Way

Forced Manipulation

Manufacturing Method

Cut Gear

Toothed Portion Shape

Spur Gear

Changes Way

Stepped

Type

Circular Gear

Transport Package

Standard Sea Worthy Package

Specification

iso

Trademark

Origin

China

HS Code

848390000

Production Capacity

100000000PCS /Month

Key features

OEM and ODM Services: Full customization, minor customization, and flexible customization available based on samples or designs.

Superior Material Quality: Manufactured from cast iron, ductile iron, nylon, or aluminum with high hardness and strength.

ISO9001 Certification: Factory certified under ISO9001-2000 standards ensuring consistent quality control.

Comprehensive Surface Finishes: Options include paint, phosphating, and zinc plating for enhanced anticorrosive capability.

Extensive Standard Compliance: Meets European (SPZ, SPA, SPB, SPC) and American (3V, 5V, 8V) standards for various belt types.

Rigorous Quality Testing: 100% visual and functional inspection performed on every product before shipment.

Experienced Manufacturer: Over 20 years of industry experience with advanced equipment and a strong technology group.

Fast Lead Time: Production completed within 15 working days for both peak and off-peak seasons.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceMulti-language PioneerCustomization from Designs

Hangzhou Ocean Industry 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: 20 years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤6.72h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D/ODM capabilities, including new product development during the past year. It reports ISO9001:2015 certification, documented procedures for service assessment, corrective actions, and complaint handling, and has export experience of 20 years with 71%–90% of sales from exports. Production indicators include more than 10 production lines, 31–40 quality-control staff, and annual output above the stated threshold. However, the supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation, and has no SDK available. Financial records are referenced for 2022–2024, but no substantive financial performance details are provided. Evidence of OEM service for well-known brands supports customer experience, while specific customer names or case details are absent.

Supplier typeThe supplier provides OEM and ODM services, supports customization from designs and samples, and manufactures non-standard products for special requirements. It also operates its own production capability, with more than 10 production lines and substantial stated output, indicating a manufacturer with integrated design and production services.

CertificationsThe supplier explicitly reports an ISO9001:2015 certificate and states that production procedures comply with ISO9002 standards; CE product certification capability is also reported. ISO9001:2015 is directly identified as a certification, while the ISO9002 statement is presented as a compliance claim rather than a separate certificate.

After-Sales capabilityThe supplier states that it provides after-sales services, and it has clear, followed procedures and records for handling customer complaints and corrective and preventive actions. These documented mechanisms support service capability, although no response-time or service-network details are provided.

R&D capabilityThe supplier reports R&D capability, new products within the past year, ODM services, and broad design support. However, total R&D engineer experience is stated as 1 and no SDK is available, so the evidence supports product-development capability but does not establish broad or advanced innovation strength.

Production capacityProduction and delivery indicators are positive: the supplier reports more than 10 production lines, 31–40 quality-control staff, standardized finished-product inspection instructions, and lead times within 15 workdays in both peak and off-season. It also has 20 years of export experience and access to Ningbo and Shanghai ports.

Customization capabilityThe supplier explicitly offers customization from designs and samples, full, minor, and flexible customization, and states that it can design and manufacture non-standard products for special customer requirements. This is direct evidence of broad customization coverage.

Client casesThe supplier reports providing OEM services for well-known brands, which is evidence of relevant customer experience. No brand names, project descriptions, volumes, or independently verifiable case details are provided, limiting the depth of assessment.