What is the lead time for orders?

Peak season lead time is 1-3 months, while off-season lead time is one month.

What payment terms do you accept?

We accept LC, T/T, Western Union, Small-amount payment, and Money Gram.

Adjustable Concealed Hinge to Help Invisible Linkage

Name: Adjustable Concealed Hinge to Help Invisible Linkage
Brand: Guangzhou Lockvel Security Technologies Co., Ltd.
SKU: 917912395

Guangdong, ChinaGuangzhou Lockvel Security Technologies Co., Ltd.

US$5.00

500 Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Ss/PS/Sb/Pb/Ab/AC/Rg

Model NO.

IVH-300-ST-3D

Material

Stainless Steel

Mounting

4 Ball Bearing

Options

Nrp,Non-Removeable Pin, Packed with Wood and Machi

Application

Heavy Weight Doors at Interior High Traffic Areas

Transport Package

Paper Box

Specification

Normal size

Trademark

Lockvel

Origin

China

HS Code

83021000

Production Capacity

5000 Sets/ Month

Key features

Heavy Duty Stainless Steel: Made of Stainless Steel 304, suitable for heavy weight doors and high traffic areas.

Vandal Deterrent Feature: Concealed installation acts as a vandal deterrent for enhanced security.

EN1303 Certified Quality: Product has gained EN1303 certification, ensuring guaranteed quality standards.

OEM & ODM Service: Provide OEM and ODM services with over 20 years of manufacturing experience.

Versatile Door Compatibility: Suitable for wooden doors, metal doors, and fire-rated doors with thickness >40mm.

Company profile

High Repeat Buyers ChoiceSelf-branded

Guangzhou Lockvel Security Technologies Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-03-05Nearest Port: Guangzhou portAverage Response Time: ≤11.00hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CIF, FAS, DDP, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and ODM/OEM capabilities, supported by product development activity and design tools. It reports production-related infrastructure, inventory capacity, valid contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season periods. Quality assurance is reported, with two inspectors and several testing facilities; however, finished-product inspections and corrective/preventive actions lack written records. Innovation evidence is mixed: the supplier has developed new products and offers ODM services, but reports zero patents and no available SDK, while formal R&D audit documentation is unavailable. Export experience is established, but overseas service infrastructure is limited, with no overseas branches, agents, warehouse, showroom, or trade-show participation. Certification, after-sales service, and customer-case evidence are insufficiently documented.

Supplier typeThe supplier operates as a manufacturer offering OEM and ODM services, customization, inventory support, and export services. It has exported for six years, with exports representing 11%–20% of total sales, but has no overseas branches or agents.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, which supports complaint-response capability. However, no broader after-sales service scope, overseas service network, branch, agent, warehouse, or showroom is reported.

R&D capabilityThe supplier reports new product development during the past year, ODM services, and R&D design using PS, AI, and CAD. Countervailing limitations include zero patents, no SDK, and no R&D design input, output, review, verification, or validation documents available for audit.

Production capacityProduction capability is supported by assembly and product-life testing equipment, a stated production base across several locations, inventory capacity, valid manufacturing contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season. The inspection process has instructions but no written records, limiting process-documentation strength.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization. Its R&D engineers develop products according to customer requirements, indicating broad customer-specific design support.

Product Q&A

Q:Can we get your sample?

Of course. But I am sorry to say that you need to be charged with the freight and sample cost.

Q:Could I visit your factory or office?

Sure, just please tell us in advance, if our time is available, we can pick you up in case you don't know the road to our office or factory.

Q:What should we do if quality defects occurred after received the goods?

Please kindly send us photos with detailed description by email, HT will solve it for you immediately,refund or exchange will be arranged once verified.

Q:Is it possible to load mix-products in one container?

Yes,it's available.

Q:What is the warranty period?

We provide a comprehensive warranty covering mechanical defects, with free parts and labor for the machine's entire life.