Could you send me sample before I place an order?

Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.

Are your company factory or trading company?

We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.

How can I get the latest prices?

Send requirements to us by mail or calling , we will reply you in 24 hours.

D&D Solid Brass Construction Knob Lever Cylinder for Rim Door Lock

Name: D&D Solid Brass Construction Knob Lever Cylinder for Rim Door Lock
Brand: D&D Hardware Industrial Co., Ltd.
SKU: 625169364

Guangdong, ChinaD&D Hardware Industrial Co., Ltd.

US$3.90

500-999 Pieces

US$2.90

1,000+ Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Warranty

5 Years

Material

Brass

Model NO.

DDLC017

Type

Key Lock

Style

American Screw Style

Shape

Mortise Door Lock

Anti-theft Standard

Part

Lock

Usage

Household Door Locks, Bedroom, Channel Lock

Lock Body Structure

Multiple Bolt

Key Type

Double Row Crescent Quantum Key

Service

OEM ODM

Key Functions

Master Key

Surface Treatment

Coloring

Transport Package

White Box or Color Box

Specification

UL ANSI Mortise Lock

Trademark

D&D or mark client's logo

Origin

Guangdong, China

Production Capacity

200000 Pair/Pairs Per Month

Key features

Solid Brass Construction: Made from durable solid brass with satin nickel, bright chrome, or antique finishes.

5-Year Mechanical Guarantee: Comprehensive 5-year warranty covering mechanical defects for peace of mind.

OEM & ODM Services: Professional customization support for lock body structure, key type, and surface treatment.

International Certifications: Products hold CE and UL certificates, complying with EN, ANSI, and international standards.

Versatile Door Compatibility: Suitable for wooden, metal, interior, exterior, and swing doors in household settings.

Secure Locking Mechanism: Features a mortise door lock design with multiple bolt structure and master key function.

Free Sample Evaluation: 3 free samples provided for evaluation; buyer only covers freight collect costs.

Fast Production Lead Time: Standard production time is 30-35 days with a sample time of 5-7 working days.

Company profile

D&D Hardware Industrial Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-01-12 CertifiedNearest Port: Jiangmen Port, Guangzhou Port, Shenzhen PortAverage Response Time: ≤4.29h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryD&D Hardware Industrial Co., Ltd. is a China-based limited company and factory established in 2018, specializing in door and construction hardware. It operates a 1,368 m² manufacturing plant with six production lines, 45 employees, and 11–20 quality-control staff. The supplier reports ISO 9001:2015 certification and has exported since 2008, with 71%–90% of sales attributed to exports. Its stated capabilities include customization, quality assurance, technical support, and long-term customer relationships, but evidence for after-sales service, specific customer cases, and innovation depth is limited. Financial credibility cannot be conclusively assessed from the available non-financial evidence.

Supplier typeThe supplier is identified as a factory and limited company based in Jiangmen, Guangdong, China. Its stated business scope and product portfolio focus on door hardware, locks, hinges, closers, exit devices, and related construction hardware, indicating a manufacturing-oriented supplier rather than only a trading entity.

CertificationsThe supplier holds an ISO 9001:2015 management-system certificate. This is explicit evidence of a formal quality-management certification, although no additional certifications are provided.

Production capacityThe supplier reports a 1,368 m² manufacturing plant, six production lines, and 11–20 quality-control staff, alongside a broad door-hardware product range. These details provide explicit evidence of an established production setup, although capacity utilization and delivery performance are not stated.

Customization capabilityThe company explicitly claims customization ability and says its qualified team can identify solutions suited to customer needs and technical specifications. This supports a positive assessment, although the slices do not describe customization scope, tooling, minimum order requirements, or completed examples.

Product Q&A

Q:What certificates do you have?

We have CE and UL certificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.

Q:Do you accept OEM or ODM?

Yes, We are professional in OEM and ODM. now , Cooperating with famous brands for OEM & ODM.

Q:Do you have quality system?

Yes, we have. We have set up our quality system and well controlled our production quality as per the instructions and requirements in it and well-control each procedure throughout the mass-production.

Q:What's the guarantee of your products?

5 Year Mechanical Guarantee.

Q:What's the stainless steel Grade you are working now?

We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.