What is the stem length of the roller?

The standard stem length is 7 feet.

Is the product suitable for commercial use?

Yes, it is designed as commercial garage track hardware suitable for roller shutter doors.

Garage Door Roller Track Hardware Kit

Name: Garage Door Roller Track Hardware Kit
Brand: Zhengzhou Everbright Construction Material Co., Ltd.
SKU: 887717305

Henan, ChinaZhengzhou Everbright Construction Material Co., Ltd.

US$0.80-1.10

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Certification

CE, ISO

Splittable

Unsplittable

Model NO.

ER-2002S

Surface Treatment

Zinc Plated

Material

Steel

Diameter

Width

Stem Length

Weight

0.25 Kg

Transport Package

The Products Will Be Packed in Carton by Sea

Specification

Customized

Trademark

Everbright or OEM

Origin

China

HS Code

8483500000

Production Capacity

100ton/Month

Key features

High Durability & Stability: Side-by-side cycle testing proves superior durability and stability for commercial use.

Robust Load Capacity: Rated for 150 lb load with 50,000 cycles on a 12-foot door.

Premium Material Construction: Made of galvanized steel with zinc plating for corrosion resistance.

Certified Quality Standards: Product holds CE and ISO certifications for safety and quality assurance.

Precision Engineering Design: Features 10-ball steel rollers with bulged shoulders for smooth operation.

Customizable Dimensions: Diameter, width, stem length, and weight can be customized to specific needs.

Rigorous Quality Control: Every panel undergoes strict QC checks after an 8-step automated production process.

Company profile

Zhengzhou Everbright Construction Material Co., Ltd.

Henan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-06-06Average Response Time: ≤11.15h

AI-Powered supplier vetting

SummaryZhengzhou Everbright Construction Material Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory, specializing in industrial doors, loading equipment, door motors, and related products. It reports ISO 9001 management-system certification, five production lines, and export sales representing 71%–90% of total sales. The supplier describes pre-sales consultation, production-stage support, delivery, installation, testing, and commissioning, indicating a stated service process. Its product descriptions emphasize safety, reliability, long service life, and low maintenance. However, the available evidence shows fewer than five R&D engineers and fewer than five quality-control staff, while staff experience is unavailable. Evidence of customization capability, detailed customer references, and broader financial strength is insufficient. One recorded buyer and one trade transaction provide limited customer-case evidence.

Supplier typeThe supplier is explicitly identified as both a trading company and a manufacturer/factory, operating as a limited company in Henan, China. Its stated business scope is construction and decoration, with products covering industrial doors, dock equipment, motors, and door hardware.

CertificationsThe supplier explicitly reports ISO 9001 certification for its management systems. This provides evidence of a formal quality-management framework, although no additional certifications are stated.

After-Sales capabilityThe supplier states that it maintains quality management across sales, production, and after-sales service, and describes support from pre-sales consultation through delivery, installation, testing, and commissioning. These statements support a defined service capability, although no after-sales response metrics or service-network details are provided.

Production capacityThe supplier is identified as a manufacturer/factory with specialized factories, five production lines, and a broad product range covering industrial doors and loading technology. Export sales reportedly account for 71%–90% of total sales, supporting operational experience, while fewer than five quality-control staff indicates a relatively limited stated quality-control team.