Can this adapter be used on stairways?

Yes, the adjustable angle design allows it to be used effectively on stairways.

What certifications does the manufacturer have?

The manufacturer has passed ISO9001 certification and conducts 100% product inspections.

316 Stainless Steel Handrail Adapter 38.1mm Top Rail and 50.8mm Post Support

Name: 316 Stainless Steel Handrail Adapter 38.1mm Top Rail and 50.8mm Post Support
Brand: Dongying Highco Metal Manufacturing Co., Ltd.
SKU: 2093552332

Shandong, ChinaDongying Highco Metal Manufacturing Co., Ltd.

US$0.99-3.99

100 pieces

Sample price:US$3.69/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Support, Return and Replacement

Warranty

1 Year

Model NO.

E091550

Customized

Function

Decoration

Style

Pastoral, Simplicity, Classic, Modern, European

Stair Railing / Handrail

Stainless Steel

Baluster

Stainless Steel

Stair Tread

Stainless Steel

Product Name

Stainless Steel Handrail Support

Size

38.1mm / 50.8mm

Production Process

Investment Casting

Project Solution Capability

Graphic Design, 3D Model Design

Design Style

Contemporary

Handrail Thickness

1.5mm

After-Sale Service

Online Technical Support

Application

Staircase

Trademark

Highco-Cast

Origin

Shandong, China

HS Code

83024100

Production Capacity

50000 PCS/Year

Key features

Premium 316 Stainless Steel: Made from high-grade 316 stainless steel for superior corrosion resistance and durability.

Flawless Mirror Finish: Features a mirror polished surface treatment for a sleek, high-end aesthetic appearance.

Adjustable Angle Design: Allows flexible installation on stairways with adjustable angles for perfect fit.

Versatile Compatibility: Connects 50.8mm top rail to 38.1mm post; inserts into 25.4mm posts for stability.

Customization Available: Offers customized product names, sizes, and design styles including 3D model design.

Professional Manufacturer: Established in 2006 with over 15 years of experience in casting and machining.

ISO9001 Certified Quality: Passed ISO9001 certification with 100% inspection for quality assurance.

1-Year Warranty: Comes with a 1-year warranty and online technical support for after-sales service.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Dongying Highco Metal Manufacturing Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 6 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.25h

AI-Powered supplier vetting

SummaryDongying Highco Metal Manufacturing Co., Ltd. is identified as a limited, combined-type supplier and is described elsewhere as a trading company engaged in precision mechanical equipment processing and sales, precision castings, ship accessories, and automotive accessories. It offers steel castings and has OEM experience with well-known brands, export capability, in-stock service, and a stated 90% export-sales share. Its facilities include CNC lathes, drilling, polishing, pressing, and related equipment, with sample-based customization. Quality and complaint-handling procedures are documented and followed, although the approved-supplier list lacks signatures or dates. Key limitations are the absence of an available SDK, valid manufacturing-capacity contracts with associated subcontractors, overseas warehouses, overseas agents or branches, overseas showrooms, and offline trade-show participation. Financial information is limited to year labels without assessable financial values. An audit by TÜV Rheinland...

Supplier typeThe supplier is listed as a limited company with a combined organizational type, while its company nature is identified as a trading company. Its stated business scope covers processing and sales of precision mechanical equipment and accessories, precision castings, ship accessories, and automotive accessories; the primary offered product is steel casting.

CertificationsThe supplier is explicitly stated to hold a valid import and export license. A TÜV Rheinland audit is also recorded with coverage from April 24, 2025 to April 23, 2026, but the audit type is given only as “1” and the evaluation result as “0,” without an interpretable certification or pass description.

After-Sales capabilityThe supplier lists overseas service offerings including debugging, maintenance, repair, training, and equipment installation, and has documented, followed procedures for corrective actions and customer complaints. However, it has no overseas agents or branches, serves zero stated countries, and has no overseas warehouse or showroom, limiting demonstrated international service infrastructure.

Production capacityThe supplier reports in-stock capacity, a facility containing CNC lathes, lathes, drilling, polishing, pressing, and digital-caliper equipment, and 90% of sales from exports with self-operated import/export rights. It also reports written and followed inspection, supplier-capability assessment, corrective-action, and complaint procedures, although there is no valid manufacturing-capacity contract with the factory and associated subcontractors and the supplier reports zero cooperative suppliers.

Customization capabilityThe supplier explicitly provides customization from samples and has OEM capability for well-known brands, directly supporting its ability to produce customized products based on customer samples or brand requirements. No broader design-development or SDK capability is established.