What is the payment term?

Payment is by T/T with 40% advance payment and the balance before shipment.

Is customization available for size and material?

Yes, customization is available for size (100mm/125mm) and material (PU+Nylon).

What is the housing material?

The housing is made of steel with zinc plating.

4 Inch Bolt Hole Trolley Castor Escalator Caster

Name: 4 Inch Bolt Hole Trolley Castor Escalator Caster
Brand: Hubei Space Double Rhombus Logistics Technology Co., Ltd.
SKU: 661703985

Hubei, ChinaHubei Space Double Rhombus Logistics Technology Co., Ltd.

US$4.02

1,000-1,999 Pieces

US$3.72

2,000-9,999 Pieces

US$3.54

10,000+ Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Type

Rotating Wheel

Wheel Material

Model NO.

G142-06E100x38

Brake

Without Brake

Bearing Type

Ball Bearing

Surface Treatment

Zinc Plated

Brand

Double Rhombus

Maximum Load

70kg

Specification

4 Inch

Diameter

100mm

Thickness

38mm

Style

Caster Wheel

Application

Trolley/Shopping Carts

Size

100mm/125mm

Material

PU+Nylon

Wheel Dia.

100/125mm

Wheel Width

38mm

Housing Material

Steel Housing with Zinc Plating

Housing Thickness

2.5mm

Load

70/90kg

Total Height

129/153mm

Transport Package

Export Cartonor Export Wooden Box for Caster

Specification

ISO 9001-2000

Trademark

Double Rhombus

Origin

Xiaogan, Hubei, China

HS Code

87169000

Production Capacity

500, 000 PCS/Month for Caster Wheel

Key features

Precision Ball Bearing: Built-in precision bearings ensure silent and smooth rotation.

Durable PU Wheel: Polyurethane tread with TPU wear-resistant discs for wide applications.

High Load Capacity: Supports up to 70kg with robust steel housing.

Corrosion Resistant: Steel housing features zinc plating for enhanced durability.

Quality Certified: Manufactured under ISO 9001, OHSAS 18001, and ISO 14001 standards.

Customizable Options: Available in 100mm and 125mm sizes with various brake configurations.

Fast Delivery: Shipped within three weeks after receiving the down payment.

Professional Manufacturing: Strict quality checking and ISO compliant production processes.

Company profile

Hubei Space Double Rhombus Logistics Technology Co., Ltd.

Hubei, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2000-08-01Nearest Port: Wuhan, ShanghaiAverage Response Time: ≤8.63hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as Hubei Space Double Rhombus Logistics Technology Co., Ltd., a China-based manufacturer/factory and group corporation producing casters, trolleys, hand trucks, airport equipment, mobility aids, and related products. It reports multiple management-system certifications, including ISO 9001, ISO 14001, OHSAS/OHSMS 18001, BSCI, and ISO 9000. Its stated operations include more than 10 production lines, 11–20 quality-control staff, and 11–20 years of R&D-engineer experience. The company reports substantial output across casters, trolleys, and foldable hand trucks and began exporting in 2000, with exports representing 71%–90% of total sales. Evidence supports manufacturing scale, certification coverage, export experience, and R&D presence. However, the provided information does not sufficiently establish after-sales service, financial credibility, customization capability, or detailed customer cases.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Group Corporation. Its stated product scope and description identify it as a large-scale professional manufacturer of casters, airport trolleys, handcarts, airport equipment, and mobility-related products.

CertificationsThe supplier reports BSCI, ISO 9000, OHSAS/OHSMS 18001, ISO 14001, and ISO 9001 certification. It also states that ISO 9001 certification was obtained in 1996 and ISO 9001:2000 quality-system certification was completed in 2003, providing explicit evidence of broad management-system certification coverage.

R&D capabilityThe supplier reports 11–20 years of total R&D-engineer experience and describes integrated research, development, and manufacturing. Its stated capabilities include mold making, curved cutting, punching, welding, surface plating, assembly, and capability testing, which supports an established technical-development function.

Production capacityThe supplier reports more than 10 production lines, 11–20 quality-control staff, and mature production lines covering mold making, cutting, punching, welding, plating, assembly, and testing. It also reports output of 60,000 trolleys, 360,000 foldable hand trucks, and 6,000,000 caster pieces, indicating substantial stated production capacity.