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Stainless Steel 201 Mortise Door Lock Bit Key Operated Mute Lock Body
US$3.62
500-2,999 Pieces
US$3.26
3,000-4,999 Pieces
US$2.93
5,000+ Pieces
Sample price:US$5.43/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Online Technical SupportWarranty
5 YearModel NO.
DDML055Material
Stainless SteelType
Key LockStyle
EuropeanShape
Mortise Door LockAnti-theft Standard
APart
LockBackset
50mmDoor Thickness Fits
CustomizedUsage
Household Door Locks, Bedroom, Channel LockDeadbolt
Oblique Tongue,PlasticBackset Available
50mmCentres
85mmForend&Strike Plate
Square or RadiusFinish
SSS, Pss, PVD, Pb, Ab, ACFeature
Durable, Easy InstallationApplication
Commercial or Residential DoorSuitable for Door
Wooden, Metal, Fire, Smoke, Interior, Outer, SwingTransport Package
White Box or Color Box, Carton PackingSpecification
For Export, CE standardTrademark
D&D or mark client's logoOrigin
Guangdong, ChinaHS Code
8301600000Production Capacity
200, 000 / MonthKey features
Silent Mute Plastic Oblique Latch: Achieves noise-free door closing, ideal for bedrooms, hotels and quiet indoor spaces.
Unique Bit Key Control Deadbolt: Special bit key operates deadbolt separately for extra privacy and security.
Standard Universal Size: 50mm backset and 85mm centre distance, fits mainstream interior door cutout dimensions.
SUS201 Forend & Strike Plate: Stainless steel components deliver good anti-corrosion ability and durability.
Multiple Finish Options: SSS, PSS, PVD, PB, AB, AC finishes available to match full set door hardware.
5-Year Mechanical Warranty: Provides dependable long-term performance guarantee for all interior door projects.
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: ≤5.34h 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 is the warranty period for this lock?
A:
We provide a comprehensive 5-year warranty for this product.
Q:Can the door thickness be customized?
A:
Yes, the door thickness fit is fully customized to your specific needs.
Q:What materials and finishes are available?
A:
The lock is made of Stainless Steel 201 and offers finishes including SSS, PSS, PVD, AB, AC, and MB.
Q:What types of doors is this lock suitable for?
A:
It is suitable for wooden, metal, fire, smoke, interior, outer, and swing doors.
Q:Do you offer OEM and ODM services?
A:
Yes, we provide both OEM and ODM services, including custom logo printing.
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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