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Sound Isolation Portable Automatic up and Down Aluminum Door Bottom Sealing Strip
US$5.55
360-709 mm
US$5.21
710-913 mm
US$4.86
914-999 mm
US$4.51
1,000-1,117 mm
US$4.16
1,118+ mm
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Aluminium AlloyUsage
Doors & WindowsModel NO.
BM-A01Type
Metal Rubber Compound Sealing StripSectional Shape
U-ShapePerformance
Prevent NoiseVulcanization
Non-continuous VulcanizationStandard
StandardTransport Package
PalletSpecification
CUSTOMIZETrademark
WITHSAFE / OEMOrigin
ChinaProduction Capacity
100, 000PCS/MonthKey features
Automatic Up and Down Sealing: Sealing strip automatically rises when door opens and falls to seal gap when door closes.
Sound and Heat Isolation: Designed to effectively isolate noise and heat for energy-saving performance.
Concealed Installation: Aluminum alloy device is concealed in the bottom of the door for a solid and easy fix.
Wide Sealing Gap Range: Accommodates sealing gaps ranging from 3mm to 15mm for various door conditions.
Durable Aluminum Alloy Material: Constructed with high-quality aluminum alloy and rubber compound for longevity.
Customizable Standard: Product standard is customizable to meet specific customer requirements.
OEM Branding Available: Supports OEM branding with custom colored boxes for brand owners.
100% Quality Inspection: Every production batch undergoes 100% inspection to ensure defect-free delivery.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2011-08-12Nearest Port: NINGBO,SHANGHAIAverage Response Time: ≤6.47hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryWITHSAFE HARDWARE CO., LIMITED is a China-based limited company in Zhejiang, described as both a trading company and manufacturer/factory, specializing in door locks and hardware systems for more than 10 years. Its product range includes door locks, handles, cylinders, hinges, bolts, stops, and related hardware. The supplier reports ISO 9001, ISO 20000, and QC 080000 certifications, three production lines, 6–10 quality-control staff, and annual output of 300,000 sets. It exports to multiple global regions, with exports representing 90% of total sales. Evidence supports established export operations, relevant manufacturing capacity, and documented management certifications. However, the provided information does not sufficiently verify after-sales procedures, financial credibility, customization services, or identifiable customer cases. Innovation evidence is present but limited to product updates, designs, and automated knob-lock equipment.
Supplier typeThe supplier is identified as a limited company in Zhejiang, China, and is described both as a trading company and manufacturer/factory. Its stated specialization is door locks and door hardware systems, with more than 10 years of industry involvement.
CertificationsThe supplier reports holding ISO 9001, ISO 20000, and QC 080000 management-system certifications. These are explicit certifications in the provided information, although certificate scope, issuing bodies, and validity dates are not supplied.
R&D capabilityEvidence of innovation includes innovative styles, unique packaging, quickly updated products, and the stated use of automated knob-lock production equipment. However, the reported R&D engineer experience is under five years, and no information is provided on patents, dedicated R&D investment, or a formal innovation pipeline.
Production capacityThe supplier reports three production lines, 6–10 quality-control staff, annual production of 300,000 sets of door and furniture hardware, and automated knob-lock production equipment. It also states one-month off-peak lead times and two-to-three-month peak-season lead times, indicating established production operations, although capacity utilization and independent verification are not provided.
Product Q&A
Q:What is the MOQ?
A:
Our MOQ is 1000 sets (or pieces) with white box, and if you need to have your own brand with colored box, it need to be 3000 sets (or pieces)
Q:What is the delivery time?
A:
Usually, it will be 30 days to make the goods ready. And for first cooperation need 40-60days due to discussion time on confirm of new package and logo press. Chinese New Year holiday is excluded.
Q:What are the payment terms?
A:
T/T.(as the payment, we need 30% as the advance, and the balance be paid off before the shipment.) Cash. L/C at sight.
Q:What are the price terms?
A:
FOB/CNF/CIF/EXW depends on customer's requirement.
Q:How do you handle quality feedback?
A:
We make the inspection 100% for the production each time, and if you still find the defective products when you have the goods, please show me pictures with details and quality. We will resend goods or refund after verified the problem.
Send Inquiry
*To:
WITHSAFE HARDWARE CO., LTD
WITHSAFE HARDWARE CO., LTD*Content:
Supplier replies will be sent to your registered email
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