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 to check quality?

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

What is the typical delivery time?

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

SUS304 Stainless Steel Luxury Gold Inside Panel Door Lock for Wooden Doors

Name: SUS304 Stainless Steel Luxury Gold Inside Panel Door Lock for Wooden Doors
Brand: Guangzhou Longterm Technology Co.,Ltd.
SKU: 685345531

Guangdong, ChinaGuangzhou Longterm Technology Co.,Ltd.

US$15.00-20.00

20 Sets

Product profile

Customization

Available

Material

Stainless Steel

Type

Door Handle Lock

Model NO.

LB-20S58008016

Style

Modern

Shape

Finishing Up Lock

Anti-theft Standard

Part

Lock

Backset

70mm

Door Thickness Fits

Customized

Lock Cylinder Length

70mm

Usage

Household Door Locks, Bedroom, Channel Lock

Delivery Detail

25-35days After The Deposit

Samples

Reasonable Quantity Samples Are F

Supply Ability

100000 PCS Daily Output

Logo

Longterm or OEM

Service

24 Hours Response

Transport Package

Poly Bag+Whiter-Box+Master Carton

Specification

vrious

Trademark

LONGTERM

Origin

Guangdong, China

HS Code

8302410000

Production Capacity

100000 Piece/Pieces Per Day

Key features

Premium SUS304 Material: Constructed with high-quality SUS304 stainless steel for superior durability and anti-rust performance.

Customizable Door Thickness: Door thickness fits are customized to meet specific installation requirements.

OEM/ODM Support: Professional OEM and ODM services available since 2007 with dedicated R&D team.

Strict Quality Control: 100% inspection of finished products including visual and function checks by 5 QA/QC inspectors.

Secure Locking System: Includes 70mm brass cylinder and computer keys for reliable household security.

Robust Packaging: Multi-layer protection with EPE bag, poly bag, inner box, and 5-layer master carton.

Fast Sample Delivery: Free samples available for quality check with express delivery in 2-4 days.

Reliable After-Sales Service: Replacement provided without extra fee for defective products caused by manufacturer.

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: ≤10.53h

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.