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.

Heavy Barrel Bolt Iron Tower Bolt Slide Security Door Lock

Name: Heavy Barrel Bolt Iron Tower Bolt Slide Security Door Lock
Brand: D&D Hardware Industrial Co., Ltd.
SKU: 753099165

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

US$1.69

500-999 Pieces

US$1.67

1,000-1,999 Pieces

US$1.65

2,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Warranty

5 Year

Product

Door Latch Flush Bolt

Model NO.

DDDB029

Style

Many Styles for Selection

Accessories

Screws

Stainless Steel

Suitable for

Wooden Door, Metal Door, Steel Door etc.

Transport Package

White Box or Color Box

Specification

SGS

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

83021000

Production Capacity

300, 000 PCS/Month

Key features

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

Premium Stainless Steel: Constructed from SUS304 and SUS316 stainless steel for superior durability.

International Certifications: Products hold CE and UL certificates, meeting EN/CE and ANSI standards.

OEM/ODM Support: Professional OEM and ODM services available for custom brand requirements.

Versatile Application: Suitable for wooden, metal, and steel doors with various finish options.

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

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: ≤4.78h 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.