Powered by Made-in-China.com
Polished Chrome Small Door Tower Bolt 4 Inch Heavy Duty
US$2.00
500-1,999 Pieces
US$1.20
2,000+ Pieces
Sample price:US$3.50/piece.Request sample
Product profile
Customization
AvailableType
F Type BoltMaterial
Stainless SteelModel NO.
DDDB025Length
6 inchThickness
1.8mmWidth
25mmPin Diameter
10mmFinish
Satin, Polish, PVD,Ab,ACUsage
Door, Window, FurnitureColor
Satin, Polish, PVD,Ab,ACProcess
ExtrudingTransport Package
White Box or Color BoxSpecification
SGSTrademark
D&D or mark client's logoOrigin
Jiangmen Guangdong, ChinaHS Code
83021000Production Capacity
300, 000 Sets/MonthKey features
High Security Design: Heavy duty 4-inch tower bolt suitable for wooden, metal, and steel doors.
Premium Material Options: Available in Zinc Alloy, Stainless Steel (SUS304, SUS316, SUS201).
Diverse Finish Choices: Offered in CP, NP, GP, AB, AC, MB, Satin, Polish, and PVD.
Comprehensive Certifications: Products meet CE, UL, EN, and ANSI international standards.
Long-Term Guarantee: Provides a 5-year mechanical guarantee for product durability.
OEM/ODM Capability: Professional experience in OEM and ODM services for famous brands.
Factory Direct Supply: SGS Audit factory with over 10 years of manufacturing experience.
Fast Sample Service: 3 free samples provided for evaluation with buyer's courier account.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2021-10-12Nearest Port: Jiangmen, Guangzhou, ShenzhenAverage Response Time: ≤5.35hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, DDP, CIF, DAP
AI-Powered supplier vetting
SummaryThe supplier is identified as a factory in Jiangmen, with a stated business scope covering sales and production of hardware, building materials, household products, appliances, and bathroom fixtures, as well as related R&D and import/export activities. It reports substantial export activity, self-operated import/export rights, OEM service for well-known brands, ODM service, and broad customization capabilities. Innovation evidence includes two R&D engineers and new products launched during the past year, but no SDK is available. Service operations have several documented procedural gaps: complaint handling, supplier assessment, and corrective/preventive actions reportedly lack written records, while overseas warehouses, showrooms, agents, and branches are unavailable. Quality-control evidence is incomplete, with zero stated test equipment and unknown quality assurance and traceability status. No certification information or explicit customer case details are provided.
After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and its service-capability assessment and corrective/preventive-action procedures likewise lack records. It has no overseas warehouse, showroom, agent, or branch, although it can provide international quotation terms and reports peak-season lead time of one month. The evidence shows basic service procedures and export coordination, but significant limitations in documented after-sales execution and overseas support.
R&D capabilityThe supplier reports two R&D engineers, new products launched during the past year, R&D responsibilities covering new product development and technical support, and ODM service. However, it has no available SDK, and the small stated R&D team provides only limited evidence of scale. The supplier demonstrates active product-development capability, though its technical-development resources appear limited.
Production capacityThe supplier is identified as a factory with production in its business scope, reports 50 qualified service-capability suppliers, exports 71%–90% of total sales, has self-operated import/export rights, and states off-season lead time within 15 workdays and peak-season lead time of one month. Against this, quality assurance and traceability status are unknown, and the stated quantity of quality-control test equipment is zero. Production and export capability are indicated, but quality-control infrastructure presents an explicit deficiency.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.
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., LIMITED
D&D HARDWARE INDUSTRIAL CO., LIMITED*Content:
Supplier replies will be sent to your registered email
You may also like
Zinc Alloy Satin Nickel Heavy Duty Metal Door Barrel Bolt
US$1.20-2.00
500 Pieces(MOQ)
High Quality 4 Inch Bolts Tower Bolt Door
US$0.25-1.99
10,000 Pieces(MOQ)
Polished Chrome Heavy Duty Security Barrel Bolt in Zinc Alloy
US$1.20-2.00
500 Pieces(MOQ)
Heavy Duty Zinc Alloy Tower Hardware Bolt Pad Door Bolt for Door with Screws
US$0.15-1.50
1,000 Pieces(MOQ)
Blue Zinc Plated 4 Inch Security Bolt 1.2mm Steel for Warehouse Door Heavy Duty Lock
US$0.35-1.55
1,000 Pieces(MOQ)
Polished Solid Brass Security Bolt 1.8" Size 1.0mm Thick Heavy Duty Door Lock Hardware Supplier
US$0.84-1.55
1,000 Pieces(MOQ)
Sliding Bolt Lock Heavy Duty Stainless Steel Door Tower Barrel Bolt
US$1.20-2.00
500 Pieces(MOQ)
Heavy Duty Iron Door Latch Bolt for Secure Windows
US$1.51-3.59
50 Boxes(MOQ)
Heavy-Duty 8-Inch Slide Barrel Bolt for Windows and Doors
US$0.20-1.55
1,000 Pieces(MOQ)
Heavy Duty Tower Bolt/Pad Bolt for Door
US$0.18-0.65
10,000 Pieces(MOQ)
Decorative Hardware 4 Inch Tower Door Bolts Suppliers
US$1.20-2.00
500 Pieces(MOQ)
8 Inch Stainless Steel Heavy Duty Wood Door Flush Bolt
US$1.20-2.00
500 Pieces(MOQ)
Heavy-Duty Brass Door Bolt with Sleek Design for Home Use
US$2.60-2.82
1,000 Pieces(MOQ)
Heavy Duty Stainless Steel Sliding Door Lock Door Barrel Lock Bolt
US$1.51-3.59
50 Boxes(MOQ)
304 Stainless Steel Barrel Bolt for Trucks & Cabinets, 4" Security Door Bolt
US$0.35-1.55
1,000 Pieces(MOQ)
Heavy Duty High Quality Stainless Steel 304 Flush Bolt for Wooden Doors
US$1.50
100 Pieces(MOQ)
3 Inch Solid Brass Door Bolt Heavy Duty Surface Door Bolts
US$2.00
500 Pieces(MOQ)
Heavy Duty Stainless Steel Sliding Door Lock Door Barrel Lock Bolt
US$1.00-5.00
100 Pieces(MOQ)



















