What payment terms are you accept?

T/T. For tooling and samples, it needs to be paid 100% in advance. For bulk order, 50% deposit in advance and the left 50% to be paid before shipment after approval of quality.

What information do you need for a quotation?

Kindly provide us 2D drawing (pdf. file) and 3D drawing(step/stp. file) for products you need.

What is the lead time for samples and bulk order?

About samples, if don't need to make tooling, the lead time is around 15 days. If need to make tooling, the lead time is around 35 days. About bulk production, the lead time is about 35-50 days, it depends on quantity and product.

White Nylon Garage Door Rollers with Bearing for Residential Use

Name: White Nylon Garage Door Rollers with Bearing for Residential Use
Brand: Ningbo Tower Machinery Co., Ltd
SKU: 2295106515

Zhejiang, ChinaNingbo Tower Machinery Co., Ltd

US$0.50

1,000 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quick Service

Warranty

1 Year

Model NO.

Garage Door Roller

Certification

ISO

Splittable

Surface Treatment

Polished

Material

Steel

Quality

High

Service

OEM

Sample

Available

MOQ

1000PCS

Transport Package

Carton+Pallet

Specification

Custom

Trademark

Tower

Origin

China

Production Capacity

100000PCS/Month

Key features

OEM/ODM Customization: All parts custom made according to customer drawings or samples.

ISO Certified Factory: Professional factory with ISO certification and strict inspection.

Fast Sample Delivery: Sample lead time around 15 days without tooling, 35 days with tooling.

Bulk Order Efficiency: Bulk production lead time 35-50 days depending on quantity.

NDA Protection: Design safety guaranteed; NDA available before sharing drawings.

Competitive Pricing: Lower cost solutions with big quantity discounts available.

Sample Refund Policy: Sample charge refunded upon confirmation of mass order.

One-Stop Manufacturing: Complete in-house processes from design to assembly.

Company profile

High Repeat Buyers ChoiceFast DeliveryQuality AssuranceManagement Certification

Ningbo Tower Machinery Co., Ltd

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2017-06-05Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤7.41hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryNingbo Tower Machinery Co., Ltd is identified as a China-based limited company in Ningbo, Zhejiang, offering metal products and described as both a manufacturer/factory and a trade company. It reports broad customization and ODM capabilities, new product development within the past year, and documented procedures for supplier-service assessment, corrective actions, and customer complaints. Export sales account for 90%, with seven years of export experience and self-operated import/export rights. However, it does not provide OEM services for popular brands, lacks an available SDK, and reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial evidence is limited to years stated for financial records, without sufficient information to assess credibility. Audit information identifies TÜV Rheinland and an audit period, but the provided result value does not establish certification holding or a positive audit outcome.

Supplier typeThe supplier is identified as Ningbo Tower Machinery Co., Ltd., a China-based limited company in Ningbo, Zhejiang. Its records describe it as a manufacturer/factory and also as a trade company, with metal products as the stated product scope and no larger-company affiliation reported.

After-Sales capabilityThe supplier reports written procedures and records for service-capability assessment, corrective and preventive actions, and customer-complaint handling. However, it reports no overseas warehouse, showroom, agent or branch, and offers overseas services in zero countries, indicating documented service processes but limited overseas service infrastructure.

R&D capabilityThe supplier reports that it introduced new products during the past year and provides ODM services with customization from samples, designs, and full customization. Conversely, it reports no available SDK, so the evidence supports product-development capability but not software-development or SDK capability.

Production capacityThe supplier is described as a manufacturer/factory offering metal products, with finished products checked by packing staff and an average lead time of one month in both peak and off-season periods. It also reports export experience and access to Ningbo and Shanghai ports, although the limited employee count and basic inspection description do not establish broad production scale.

Customization capabilityBoth the design-services and R&D records list minor customization, flexible customization, customization from samples, customization from designs, and full customization. The supplier also reports ODM availability, providing explicit evidence of broad customization capability.

Product Q&A

Q:Are you a factory or a trade company?

We are a professional factory with ISO certification.Usually we don't set MOQ, but big quantity will get a cheaper price. And we are happy to make sample for clients to ensure quality standard firstly.

Q:Do you make customized products?

Yes, all parts are custom made according to customers' drawings or samples. If you have any parts to be made, please feel free to send us your drawings or samples.

Q:Will your drawing be safe after we get it?

Yes, we will not reveal your design to third party without your permission. And we can sign the NDA before you send us your drawing.

Q:What's your MOQ?

Usually we don't set MOQ, but big quantity will get a cheaper price. And we are happy to make sample for clients to ensure quality standard firstly.

Q:Do you provide samples? Is it free or extra?

If you want to check sample first, you need to pay the sample charge and the charge will be refunded to you when the mass order is confirmed.