Black Ball Knob Door Lock Commercial Hardware

Name: Black Ball Knob Door Lock Commercial Hardware
Brand: Wenzhou Renhe Hardware Decoration Co., Ltd.
SKU: 2331497265

Zhejiang, ChinaWenzhou Renhe Hardware Decoration Co., Ltd.

US$2.20

1,000-9,999 Sets

US$2.00

10,000+ Sets

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

1year

Model NO.

S58 black

Material

Stainless Steel

Type

Door &Window Handles

Shape

Door Knob

Style

Modern

Lock

Without Lock

Installation Type

Surface Installation

Surface Treatment

Paint

Color

Black

Usage

Door

Customized

Non-Customized

OEM

Acceptalbe

Height

78mm

Finish

Stainless Steel

Rose Size

53X10mm

Transport Package

Carton

Specification

50, 55, 60mm

Trademark

Colorful

Origin

Zhejiang, China

Key features

Made of 201/304 stainless steel, anti-rust and wear-resistant, long service life.

Multiple surface finishes optional, matching various home decoration styles.

Standard size fits most doors, easy to install with complete accessories.

Company profile

Wenzhou Renhe Hardware Decoration Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤10.24h

AI-Powered supplier vetting

SummaryThe supplier provides door handles and door hardware, operates five production lines, and offers customization from samples, designs, full customization, and minor customization. It holds an ISO9001:2015 certificate and has an environmental impact assessment report, but lacks evidence of regular fire drills. The supplier reports financial records for 2023–2025, although no financial results are provided. Innovation is supported by one R&D engineer and new products launched during the past year, but the supplier does not provide 3D software design, SDKs, or professional technical R&D. Production controls have documented deficiencies: no continuous quantity reconciliation, no outsourcing SOP, and no valid contracts with related subcontractors. After-sales and overseas service infrastructure is limited, with no inventory, overseas warehouse, overseas showroom, overseas agents, or branches. Customer evidence includes an 80%–100% repeat-buyer preference, but no Fortune 500 collaboration.

Supplier typeThe supplier offers door handles and door hardware and describes multiple available products. Its stated R&D profile indicates it is not a professional technical supplier, so it is best characterized as a product manufacturer or supplier rather than a specialized technology provider.

CertificationsThe supplier holds an ISO9001:2015 management-system certificate. It also has a factory environmental impact assessment report, although it reported no regular fire drills during the past year; the certification evidence itself supports compliance for this field.

After-Sales capabilityThe supplier has no in-stock service, overseas warehouse, overseas showroom, overseas agents, or overseas branches, and reports zero countries with overseas service offerings. It has participated in the Canton Fair, but the available evidence indicates limited ongoing after-sales and international service infrastructure.

Production capacityThe supplier operates five production lines, demonstrating established manufacturing capacity. However, it does not continuously reconcile quantities for each batch, has no outsourcing SOP, and lacks valid contracts with related subcontractors; these stated control gaps are significant production-management deficiencies.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. These four stated service types provide direct evidence of broad customization capability.

Client casesThe supplier reports no collaboration with Fortune 500 companies, so there is no evidence of major-name customer cases. It does report an 80%–100% repeat-buyer preference, which indicates customer retention but does not identify specific customer references.

Product Q&A

Q:What is your MOQ?

The MOQ for standard models is 1000 sets. Small trial orders are also welcome, please inquire for details.

Q:How long is your lead time?

For in-stock items, lead time is 15-20 days. For bulk or customized orders, lead time is 30-45 days, depending on quantity and specifications.

Q:Can you customize the size, finish and packaging?

Yes, we offer customization services for size, surface finish and packaging. Brushed, polished, black and gold pvd,gun grey, antique brass are optional. Logo engraving is also available. Please submit your specific requirements for reference.