Is it possible to get a free sample?

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

What is your after-sales service policy?

If defective products occur due to our error, you can send pictures for verification, and we will send a replacement without extra fees.

How are your products packed?

Products are packed with multi-packing for protection: EPE bag + thick poly bag + hardboard inner box + 5-layer master carton. Pallets are available upon request with additional charges.

Modern Stainless Steel Mortise Door Handles Lock Set SUS304 Panel Lock

Name: Modern Stainless Steel Mortise Door Handles Lock Set SUS304 Panel Lock
Brand: Guangzhou Longterm Technology Co.,Ltd.
SKU: 792626625

Guangdong, ChinaGuangzhou Longterm Technology Co.,Ltd.

US$15.00-23.00

20 Sets

Product profile

Customization

Available

Material

Stainless Steel

Type

Key Lock

Model NO.

LB-26S85001004

Style

Modern

Shape

Mortise Door Lock

Anti-theft Standard

Part

Lock

Backset

70mm

Door Thickness Fits

35-55mm

Lock Cylinder Length

85mm

Usage

Household Door Locks, Bedroom

Lock Body

8550

Cylinder

70mm Cylinder with Brass Keys

Logo

Longterm or OEM

Service

24 Hours Response

Samples

Reasonable Quantity Samples Are Free on Request

Delivery Detail

25-35days After The Deposit

Transport Package

Poly Bag+Whiter-Box+Master Carton

Specification

26x52mm

Trademark

LONGTERM

Origin

Guangdong, China

HS Code

8302410000

Production Capacity

100000 Piece/Pieces Per Day

Key features

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

Custom Logo and OEM: Supports OEM services with customizable logos and cylinder specifications based on customer designs.

Strict Quality Control: 100% inspection of finished products including visual and function checks before packing.

Secure Mortise Design: Anti-theft Standard A lock with 70mm backset, fitting door thickness of 35-55mm.

Free Sample Availability: Free samples available for quality check; buyer only needs to cover express shipping costs.

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

Professional Manufacturer: Established in 1992 with 20,000m2 production base and over 100 employees in Foshan.

Secure Packaging: Multi-layer protection using EPE bag, thick poly bag, hardboard inner box, and 5-layer carton.

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: ≤6.05h

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?

We are a professional manufacturer, GUANGZHOU LONGTERM HARDWARE CO., LTD., a subsidiary of HYH group, specializing in high-quality hardware accessories.

Q:Where is your factory located?

Our factory is located in Foshan, established in 1992, with a 20,000m2 facility and over 100 employees. It is 30 minutes from Guangzhou CBD and Baiyun International Airport.

Q:Can you produce handles according to customer designs?

Yes, we offer OEM and ODM services since 2007. Please provide samples or 3D drawings, and our R&D team will check the best prices for you.

Q:How do you handle quality control?

We have staff checking every process like die-casting and polishing. Each product undergoes 100% inspection (visual and function) before packing.

Q:What is your delivery time?

Delivery time is usually 20-30 days after deposit. Peak season lead time is one month, and off-season lead time is also one month.