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Black Zinc Alloy Knob Set Accessory for Inside Door
US$6.20
500-4,999 Sets
US$4.50
5,000+ Sets
Sample price:US$10.00/set.Request sample
Product profile
Customization
AvailableMaterial
Zinc AlloyType
Key LockModel NO.
DDLK037Style
ModernShape
Mortise Door LockAnti-theft Standard
APart
LockBackset
2-3/4"Standard.2-3/8"OptionalDoor Thickness Fits
CustomizedLock Cylinder Length
70mmUsage
Household Door Locks, Bedroom, Channel LockFinish
SSS, Pss, PVD, Ab, AC,MBDoor Prep 1
Cross Bore 2-1/8", Edge Bore 1"Door Prep 2
Latch Face 1-18"X2-1/4"Cylinder
6-Pin Removable Core.Schlage "C" KeywayFace Plates
1-1/8"X2-1/4"Square Corner StandardDoor Thickness
1-3/8"-2"StandardStrikes
ASA Strike Standard.2-1/4"Full Lip Square CornerCertificate
ANSI&ULANSI&UL
UL10c Grade 1 & Grade 2Fire Rated
3 HoursAccessories 1
Brass Insert, Rosette with BaseAccessories 2
Escutcheon with Base, SpindleAccessories 3
Wooden Screws, Bamboo Screws, Allen KeySuitable for
Wooden Door, Metal Door, Fire Rated Door etc.Transport Package
White Box or Color Box, Carton PackingSpecification
For Export, CE standardTrademark
D&D or mark client's logoOrigin
Jiangmen Guangdong, ChinaHS Code
83024100Production Capacity
200, 000 / MonthKey features
Diverse Finish Options: Available in Satin Stainless Steel, Polished, PVD, Matt Black, Antique Brass, and Antique Copper.
5-Year Mechanical Guarantee: Comprehensive 5-year warranty covering mechanical defects for long-term reliability.
Fire Rated Certification: UL10c Grade 1 & Grade 2 certified for 3-hour fire resistance compliance.
Customizable Door Thickness: Accommodates door thickness from 1-3/8 inches to 2 inches with standard and optional backsets.
Premium Material Construction: Crafted from high-grade Zinc Alloy and Stainless Steel (SUS304, SUS316, SUS201).
OEM and ODM Services: Professional customization capabilities for famous brands and unique design requirements.
Free Sample Evaluation: Receive 3 free samples for evaluation upon request with freight collect arrangement.
SGS Audit Factory: Manufactured in an SGS audited facility with over 10 years of architectural hardware experience.
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: ≤4.65h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryD&D Hardware Industrial Co., Ltd., established in 2018 and based in Jiangmen City, Guangdong, China, operates primarily in the wholesale and retail industry. The company is a limited liability entity with a factory setup. It exports 71% to 90% of its products, mainly door hardware, to various international markets, including Europe and the Middle East. The company holds an ISO9001:2015 certification, indicating a commitment to quality management. With a workforce of 45 employees and six production lines, the company has an annual production output of US$50 million to US$100 million. The supplier emphasizes quality assurance, competitive pricing, and customization in its operations.
Supplier typeThe supplier is a factory-type entity, officially registered as a limited company in China.
CertificationsD&D Hardware Industrial Co., Ltd. holds an ISO9001:2015 certificate, reflecting adherence to quality management standards.
After-Sales capabilityThe company emphasizes long-term partnerships and customer service, suggesting a strong after-sales support framework.
Financial creditThe supplier reports an annual export revenue of US$3,000,000, indicating a solid financial base.
Production capacityOperating six production lines with an output of US$50M - US$100M, the company demonstrates substantial production capacity.
Customization capabilityThe supplier highlights customization ability as a competitive advantage, suggesting robust capabilities in this area.
Client casesThe company has established business relationships with clients across Europe, the Middle East, America, and Asia.
Product Q&A
Q:What certificate you have?
A:
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?
A:
Yes, We are professional in OEM and ODM. now , Cooperating with famous brands for OEM & ODM.
Q:Do you have quality system?
A:
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?
A:
5 Year Mechanical Guarantee.
Q:What's the stainless steel Grade you are working now?
A:
We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.
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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