Hydraulic Commercial ANSI Concealed Invisible Adjustable Door Closer

Name: Hydraulic Commercial ANSI Concealed Invisible Adjustable Door Closer
Brand: Guangzhou Lockvel Security Technologies Co., Ltd.
SKU: 1964260941

Guangdong, ChinaGuangzhou Lockvel Security Technologies Co., Ltd.

US$35.80

1-499 Sets

US$32.60

500-999 Sets

US$29.90

1,000+ Sets

Sample price:US$35.00/set.Request sample

Product profile

Customization

Available

After-sales Service

2 Years

Warranty

2 Years

Model NO.

DC4300

Material

Die-Cast Aluminum

Type

Outside-mounted

Installation Type

Parallel and Standard

Function

Stop, Delay, Buffered

Standard

American Standard

Remote Control

Without Remote Control

Door Width

<950mm

Door Weight

<80kg

Usage

Market, Fire Exits, Home, Hotel, Office, Hospital, School

Color

Silver

Weight

2.6kg

Payment

30%Deposit, 70% Balance

Door Thickness

Minimum 45mm

Sample

1-3working Days

Finish

689(Silver), 696(Golden)

MOQ

Unlimited

Transport Package

Inner Box Bubble+Outer Carton Box

Specification

50cm*11cm*4.5cm

Trademark

LOCKVEL

Origin

Guangdong, China (Mainland)

HS Code

8302600000

Production Capacity

5000sets/Month

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: ≤9.53hTerms 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.