What is the warranty period?

We provide a 10-year quality guarantee.

What is the daily production capacity?

The daily output capacity is 100,000 pieces.

What is the lead time for bulk orders?

The lead time is 25-35 days after the deposit is received.

Zinc Alloy Interior Lever Handle Room Mortise Door Lock for Wooden Doors

Name: Zinc Alloy Interior Lever Handle Room Mortise Door Lock for Wooden Doors
Brand: Guangzhou Longterm Technology Co.,Ltd.
SKU: 686762471

Guangdong, ChinaGuangzhou Longterm Technology Co.,Ltd.

US$15.00-20.00

1,000 Pieces

Product profile

Customization

Available

Material

Zinc Alloy + Crystal

Type

Key Lock

Model NO.

LV-C103218

Style

European

Shape

Mortise Door Lock

Part

Lock

Usage

Household Door Locks, Bedroom

Delivery Detail

25-35days After The Deposit

Samples

Reasonable Quantity Samples Are Free on Request

Supply Ability

100000 PCS Daily Output

Logo

Longterm or OEM

Service

24 Hours Response

Transport Package

Poly Bag+Inner Box+Master Carton, 1 PCS 1poly Bag

Specification

various

Trademark

LONGTERM

Origin

Guangdong, China

HS Code

8302420000

Production Capacity

100000 Piece/Pieces Per Day

Key features

Premium Material Composition: Constructed from Zinc Alloy combined with Crystal for durability and elegance.

Customizable Color Options: Available in CP, BSN, AB, AC, GP, or custom colors as requested.

High Production Capacity: Daily output reaches 100,000 pieces with 160-ton German die-casting machines.

Superior Electroplating Quality: Features a molecular electroplating layer of at least 20 microns for corrosion resistance.

Comprehensive Warranty: Backed by a 10-year quality guarantee covering mechanical defects.

OEM and ODM Services: Over 8 years of experience in custom logo and design manufacturing.

Fast Sample Delivery: Samples delivered within 1-2 working days with reasonable quantities free for checking.

24/7 Customer Support: 24-hour response time for inquiries and technical assistance.

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: ≤7.96h

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.