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Good Quality Stainless Steel Solid Round Door Handle Knob for Interior Door
US$12.38
200-1,999 Sets
US$9.08
2,000-4,999 Sets
US$6.98
5,000+ Sets
Sample price:US$8.00/set.Request sample
Product profile
Customization
AvailableWarranty
5 YearsMaterial
Stainless SteelModel NO.
DDSH039Type
Single TypeShape
U-shapedStyle
European Antique StyleLock
Without LockInstallation Type
Surface InstallationSurface Treatment
ChromeColor
SilverUsage
Door, FurnitureCustomized
Non-CustomizedAfter-Sale Service
Online Technical SupportEn Compliance
En1906, Grade 4Application
Apartment, Wooden DoorFinish
SSS, Pss, PVD, Ab, ACProject Solution Capability
Graphic Design, 3D Model DesignDesign Style
ModernSize
Dia 53mm X H 49mmTransport Package
White BoxSpecification
For ExportTrademark
D&DOrigin
Guangdong, ChinaProduction Capacity
120000 Set/Sets Per MonthKey features
5-Year Mechanical Warranty: Comprehensive 5-year guarantee covering mechanical defects for peace of mind.
Premium Stainless Steel: Constructed from durable SUS304/SUS316 stainless steel with various finishes.
International Certifications: Products hold CE, UL, and EN1906 Grade 4 certifications for global compliance.
OEM/ODM Expertise: Professional OEM and ODM services with graphic design and 3D model support.
Versatile Finishes: Available in Satin, Polished, PVD, AB, AC, and MB finishes to suit decor.
Fast Sample Service: 3 free samples provided for evaluation; sample time is 5-7 working days.
SGS Audited Factory: Manufactured in an SGS audited facility with over 10 years of experience.
24h Price Response: Receive latest price quotes within 24 hours via email or phone inquiry.
Company profile

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: ≤4.18h 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?
A:
We have CE and UL certificates. All our product designs follow international standards such as EN/CE, UL, and ANSI.
Q:Do you accept OEM or ODM?
A:
Yes, we are professional in OEM and ODM, cooperating with famous brands for both services.
Q:What is the guarantee for your products?
A:
We provide a 5-year mechanical guarantee for our products.
Q:What stainless steel grades do you use?
A:
We mostly work with SUS304 and SUS316, and some items can be made with SUS201 as well.
Q:Can I get samples before ordering?
A:
Yes, we offer 3 free samples for your evaluation. You just need to provide the courier account for freight collect.
Send Inquiry
*To:
D&D Hardware Industrial Co., Ltd.
D&D Hardware Industrial Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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