What is your after-sales service policy?

For defective products, please send pictures. If the issue is ours, we will send a replacement without extra fees.

Can I get a free sample before ordering?

Yes, free samples are available for quality checking, but you need to pay for the express shipping cost, which takes about 2-4 days.

What is your delivery time?

Our delivery time is usually 20-30 days after receiving the deposit.

How can I trust you for the first cooperation?

You can check our quality via samples or visit us face-to-face to discuss details.

High End Zinc Alloy Lever Interior Black Gold Door Handle on Rosette

Name: High End Zinc Alloy Lever Interior Black Gold Door Handle on Rosette
Brand: Guangzhou Longterm Technology Co.,Ltd.
SKU: 2103493785

Guangdong, ChinaGuangzhou Longterm Technology Co.,Ltd.

US$17.69-19.23

12 Sets

Sample price:US$23.23/set.Request sample

Product profile

Customization

Available

Material

Zinc Alloy

Type

Single Type

Model NO.

HC-103

Shape

Strip-type

Style

Modern

Lock

Without Lock

Installation Type

Embedded Installation

Surface Treatment

Polished+Electroplated

Color

7 Colors

Usage

Door

Customized

Usage Range

Bedroom Door

Technics

Die-Cast/Deburr/Process/Polish/QC/Plate

Electroplating Technology

Molecular Electroplating

Die Casting Machine

160 Tons

Electroplating Layer

>= 25um

Door Thickness

35-55mm

Certification

SGS, ISO

Logo

Longterm or Customized

Service

24 Hours Response

Transport Package

Polybag+Inner Box+Master Carton

Specification

SGS, ISO9001

Trademark

LONGTERM

Origin

Guangdong

HS Code

8301600000

Production Capacity

500000sets One Month

Key features

Customized Design Service: OEM/ODM available since 2007 with R&D support for samples and 3D drawings.

7 Color Options: Available in 7 distinct colors with polished and electroplated finishes.

Premium Zinc Alloy Material: Constructed from high-quality zinc alloy for durability and modern aesthetics.

Wide Door Thickness Fit: Suitable for wooden doors with thickness ranging from 35mm to 55mm.

Comprehensive QC Process: Every step from die-casting to electroplating is inspected before packing.

Fast Sample Delivery: Free samples available with express delivery in 2-4 days (buyer pays shipping).

Defect Replacement Policy: Free replacement provided for any defective products caused by the manufacturer.

Professional Packaging: Multi-layer protection including EPE bags, poly bags, and 5-layer master cartons.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceQuality AssuranceR&D Capabilities

Guangzhou Longterm Technology Co.,Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 13 years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤7.35h

AI-Powered supplier vetting

SummaryThe supplier is a Foshan-based hardware manufacturer with a production base exceeding 20,000 square meters, nine stated workshops, four production lines, and listed output across hinges, handles, locks, and smart locks. It supports customization from samples and designs and reports established export activity, with 71%–90% of sales from exports and 13 years of exporting. However, it reports no private-mold R&D, no 3D software design service, no SDK availability, and only one year of total R&D engineer experience. Certification management is weak because supplier-management-system certification is listed as NIL. Service controls are mixed: written procedures and records exist for service assessment, but there is no approved-supplier list and no written corrective-action or complaint-handling procedures. Financial evidence is limited to year labels without performance metrics. Customer cases are not provided.

Supplier typeThe supplier identifies itself as GUANGDONG HYH HARDWARE INDUSTRIAL Co., Ltd., operates from Foshan, China, and describes a factory with more than 20,000 square meters, nine workshops, and hardware manufacturing equipment. Its listed products and facilities support classification as a hardware manufacturer rather than a purely trading or service company.

CertificationsThe supplier-management-system certification field is explicitly listed as “NIL.” No other certification evidence is provided in the supplied slices, so the available evidence indicates a certification shortfall for this field.

After-Sales capabilityThe supplier has written procedures and followed records for assessing service capability, and it offers defined quotation and payment terms with a stated one-month lead time in both peak and off-season periods. However, it has no written corrective/preventive-action procedures or records and no written customer-complaint-handling procedures, which directly weakens after-sales governance.

R&D capabilityThe company description states that it has an R&D department for novel and popular designs, but the detailed capability data reports no private-mold R&D, no professional-technical-supplier capability, no 3D software design service, no SDK availability, and only one year of total R&D engineer experience. These explicit limitations outweigh the general statement about having an R&D department.

Production capacityThe supplier reports four production lines, nine workshops, integrated manufacturing equipment, and output covering multiple hardware categories, including 6,000,000 door hinges, 2,000,000 cabinet handles and knobs, 600,000 door-lock sets, 120,000 smart locks, and 6,000,000 cabinet hinges. Finished-product inspection instructions are uniformly followed, but the factory does not continuously reconcile quantities for each batch or production lot.

Customization capabilityThe supplier explicitly offers customization from samples and customization from designs. This directly supports product customization, although the supplier separately states that it does not provide 3D software design services and has no private molds.

Product Q&A

Q:Are you a factory or trading company?

GUANGZHOU LONGTERM HARDWARE CO., LTD. is a professional manufacturer and subsidiary of Guangdong Yunhui Industrial Limited Company (HYH group).

Q:Where is your factory located?

Our factory is located in Foshan, established in 1992, with a 20,000m2 production base and over 100 employees, just 30 minutes from Guangzhou CBD and airport.

Q:Can you produce handles according to customer design?

Yes, we offer OEM and ODM services since 2007. Please provide samples or 3D drawings for us to check the best prices.

Q:How do you handle quality control?

We have staff to check every process including die-casting, polishing, and electroplating, and each product is inspected by QC staff before packing.

Q:How are your products packed?

Products are packed with multi-packing including EPE bags, thick poly bags, hardboard inner boxes, and 5-layer master cartons. Pallets are available upon request.