Yes, but you need to be charged with the freight and sample cost as only a paid sample is valuable.

Can I see your certifications?

Yes, our certifications are numerous, and we can provide them to you at any time upon request.

Can I visit your factory or office?

Sure, please tell us in advance. If our time is available, we can pick you up if you do not know the road.

Zinc Alloy Security Door Guard Chain for Wooden Door

Name: Zinc Alloy Security Door Guard Chain for Wooden Door
Brand: Guangzhou Lockvel Security Technologies Co., Ltd.
SKU: 885173685

Guangdong, ChinaGuangzhou Lockvel Security Technologies Co., Ltd.

US$2.60-2.70

1,000 Pieces

Sample price:US$3.40/piece.Request sample

Product profile

Customization

Available

Material

Zinc Alloy

Type

Door Guard

Model NO.

SDG-04

Installation

Chain

Finish

SCP Cp Pb

Structure of Electromagnetic Door Stop

Not

Working Principle

Not

Control

Not

Punching

Yes

Usage

Normal Door

Customized

Non-Customized

Sample

1-3 Working Days

Delivery Time

15-25days

Payment

30% Deposit, 70% Balance

Transport Package

Inner Plastic Bag, Outer Carton Box

Specification

0.2kg/pcs

Trademark

LOCKVEL

Origin

Guangdong, China (Mainland)

HS Code

3926909090

Production Capacity

100000PCS/Month

Key features

Premium Zinc Alloy Material: Constructed from durable zinc alloy for long-lasting security and resistance to corrosion.

Global Quality Certifications: Complies with international standards including EN12209, EN1935, EN1527, and ANSI A156.13.

Versatile Door Compatibility: Designed for use on inward-opening wooden and metal doors with standard chain installation.

Experienced Manufacturer: Led by professionals with nearly 20 years of experience in building hardware and manufacturing.

Strict Quality Management: Production site strictly implements 5S management to improve quality and reduce defective rates.

Wide Distribution Network: Distributors available across China including Changsha, Kunming, Shanghai, and Shenzhen.

International Market Presence: Products are highly appreciated in European, North American, and Southeast Asian markets.

Flexible Sample Policy: Samples available for order with a lead time of 1-3 working days, subject to freight and sample costs.

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: ≤8.76hTerms 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:Are you an OEM or ODM company?

We specialize in devising, manufacturing, and trading.

Q:Can we obtain your products in places other than Guangzhou?

Yes, our distributors spread in every corner of China, such as Changsha, Kunming, Shanghai, and Shenzhen.

Q:Has your company been involved in foreign trade before?

Sure, our products are highly appreciated in Europe, North America, and Southeast Asian markets.

Q:Why should I choose your company?

We lay stress on product quality construction, mutual benefit, credit transaction, and hold a series of professional certificates.

Q:How does your company manage your production site?

We strictly implement the 5S management (SEIRI, SEITON, SEISO, SETKETSU, SHTSUKE) to improve product quality and reduce the defective rate efficiently.