What materials are available for the wheels?

Materials include POM, PA6, PA66, Nylon, PVC, ABS, Aluminum, Zinc, and Stainless Steel.

What certifications does the company have?

The company maintains ISO 9001:2000 quality system and has been audited by SGS.

Factory Plastic Support Double Wheels for Window and Door (ML-DD008)

Name: Factory Plastic Support Double Wheels for Window and Door (ML-DD008)
Brand: NINGBO GUOLI PULLEY MANUFACTURE CO., LTD.
SKU: 761333095

Zhejiang, ChinaNINGBO GUOLI PULLEY MANUFACTURE CO., LTD.

US$0.60

10,000-49,999 Pieces

US$0.59

50,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

2 Year

Model NO.

ML-DD008

Certification

ISO, RoHS

Splittable

Surface Treatment

Polished

Material

Plastic

Diameter

21mm

Transport Package

Yellow Carton

Specification

as per your demand

Trademark

minli

Origin

Ningbo

HS Code

8302410000

Production Capacity

120 Million

Key features

Customizable Design: Supports OEM/ODM with custom sizes, colors, and materials based on customer drawings or samples.

Wide Material Options: Available in POM, PA6, PA66, Nylon, PVC, ABS, Aluminum, Zinc, and Stainless Steel.

2-Year Warranty: Comprehensive 2-year warranty coverage for product quality assurance.

Professional Manufacturer: 25 years of experience in manufacturing plastic pulleys and non-standard bearings.

High Production Capacity: Annual production capacity of 120 million sets with advanced processing equipment.

Global Certification: ISO 9001:2000 certified and audited by SGS for quality and production operations.

Versatile Application: Suitable for sliding doors, windows, furniture, conveyor belts, and wardrobe systems.

Competitive Pricing: Offers good quality products at competitive prices with excellent after-sales service.

Company profile

NINGBO GUOLI PULLEY MANUFACTURE CO., LTD.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 1997-01-06 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤2.90h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryNingbo Guoli Pulley Manufacture Co., Ltd. is a China-based supplier located in Ningbo, Zhejiang, with 150 employees and a 12,000 m² manufacturing plant. It manufactures pulleys, rollers, bearings, and related door, window, and furniture hardware. The supplier reports ISO 9001:2015 certification, five production lines, 10 R&D engineers, 6–10 quality-control staff, and annual capacity of 120 million sets or 120 million pieces for specified products. It exports 90% of total sales and reports markets across the Americas, Europe, Asia, the Middle East, and Australia, including more than 40 countries and areas. Evidence supports established manufacturing, export experience, quality-system certification, and non-standard product development. However, the provided information does not sufficiently verify after-sales service processes, financial credibility, or specific customer cases.

Supplier typeThe supplier is identified as Ningbo Guoli Pulley Manufacture Co., Ltd., a China-based limited company in Ningbo, Zhejiang. Its profile includes manufacturing operations, five production lines, a 12,000 m² plant, and products such as pulleys, rollers, bearings, and hardware, although one record also describes the company nature as a trading company.

CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that its production operations have been audited by SGS. This provides direct evidence of a documented quality-management certification, although the supplied information does not include certificate scope or validity dates.

R&D capabilityThe supplier reports 10 R&D engineers and states that it develops and designs non-standard pulley bearings. Its stated annual capacity for these products is 120 million sets, providing direct evidence of product-development resources and non-standard design activity.

Production capacityProduction capability is supported by 150 employees, a 12,000 m² plant, five production lines, 6–10 quality-control staff, and reported output of 120 million pieces or 120 million sets for specified product categories. The supplier also describes advanced processing equipment and a strict inspection system.

Customization capabilityThe supplier explicitly reports developing and designing different kinds of non-standard pulley bearings, and its product range includes non-standard bearings. This directly supports customization or non-standard product development, although detailed engineering, tooling, and minimum-order capabilities are not provided.

Product Q&A

Q:How to get a quotation and start business relationship?

Please send us an email and our sales representative will contact you as soon as we receive your email.

Q:How to receive a quotation in the shortest time?

When sending an enquiry, please provide more details such as product size, photo or drawing, and order quantity.

Q:How to start an OEM project with your company?

Send us your designed drawings or original samples for a quotation. Once details are confirmed, we arrange sample production after receiving your deposit.

Q:What is the MOQ?

The MOQ depends on design and production processes. Normally, the MOQ is 10,000 pieces, but it varies by product type.

Q:How long is the lead time?

Lead time varies from 30 to 90 days depending on specific items and order quantity.