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Automatic Light Buffer Hydraulic Spring Medium Door Closer
US$4.20-8.30
1 Set
Sample price:US$1.00/set.Request sample
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
3 YearsModel NO.
A-QN170Material
Aluminum AlloyType
Outside-mountedInstallation Type
DoorframeFunction
Stop, Fixed, Delay, Adjustable, BufferedStandard
European StandardRemote Control
Without Remote ControlDoor Width
600-1200mmDoor Weight
40-65kgUsage
Market, Fire Exits, Home, Hotel, HospitalColor
SilverWorking Temperature
-40~60 CentigradeSignal Output
Lock Signal(No/Nc/COM)Humidity
O~90%(Non-Condensing)Clor
White,Brown,Silver,ODMTransport Package
White Box or Color Box, Carton PackingSpecification
Aluminum AlloyTrademark
QINIU/ODMOrigin
China(Mainland)HS Code
8302600000Production Capacity
5000Key features
Durable Aluminum Alloy: Constructed from die-cast aluminum alloy with three layers of bright paint for longevity.
Adjustable Speed Control: Features two-stage adjustable closing and locking speeds for precise door control.
Wide Application Scope: Suitable for aluminum, glass, fire, and hotel doors with weights up to 65kg.
Customizable Colors: Available in silver, white, black, brown, bronze, and other customized colors.
Energy Efficient Design: Operates on 110-220VAC with high adaptability to voltage fluctuations.
Flexible OEM/ODM Service: Supports OEM and ODM customization for working temperature and signal output.
Comprehensive Warranty: Provides a 3-year warranty covering mechanical defects and performance.
Versatile Positioning: Supports 90-degree positioning and 180-degree non-positioning modes.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2019-09-09Nearest Port: Tianjin Port, Qingdao PortAverage Response Time: ≤2.56hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryThe supplier is a limited company offering access-control and hardware-related products, including electromagnetic locks, automatic door closers, parking-lot equipment, and access-control products. It reports four production lines, exports to multiple global regions, and states order fulfillment within 15 workdays in both peak and off-peak seasons. The supplier provides several forms of customization, including customization from samples and designs, full customization, minor customization, and flexible customization. However, it does not provide 3D software design, ODM, SDK, or stated new-product development services. Management-system certifications include ISO 9000, TS 16949, and ISO 9001. After-sales and overseas service infrastructure is limited: there is no stated inventory, overseas warehouse, showroom, agent, or branch, while complaint-handling procedures exist without written records. Financial information is represented only by year labels, so credibility cannot be fully assessed. No customer...
CertificationsThe supplier reports holding ISO 9000, TS 16949, and ISO 9001 management-system certifications. These are explicit certifications and support a positive assessment of formal management-system coverage.
After-Sales capabilityThe supplier has procedures for handling customer complaints and corrective/preventive actions, but no written records are available. It also reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agent, or overseas branch, indicating limited demonstrated after-sales and overseas support infrastructure.
R&D capabilityThe supplier reports no new products during the past year, no ODM service, no available SDK, and no 3D software design service. It also has an R&D engineering team with total experience stated at 6–10 years, but the explicit absence of recent product-development output and supporting development services indicates a deficiency in demonstrated innovation capability.
Production capacityThe supplier operates four production lines and reports order fulfillment within 15 workdays during both peak and off-peak seasons. It also serves markets across South America, Eastern Europe, the Middle East, North America, Southeast Asia, Eastern Asia, Oceania, Western Europe, and Africa, providing explicit evidence of production and delivery capability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Although it does not provide 3D software design services, the stated product-customization options demonstrate broad customization capability.
Product Q&A
Q:Do you accept OEM or ODM?
A:
Yes, we accept OEM and ODM.
Q:What is the MOQ for each product?
A:
For retail, we can do any quantity for you and they will be sent by express. For wholesale, the MOQ usually is 100pcs. You can also mix different items and we can ship them by sea together. For detail pls contact us by Email or online talking.
Q:Can you send samples before placing an official order?
A:
Yes of course. Our sample is free but the express need bear by you.
Q:How long is the warranty period?
A:
We offer different warranty periods for different products ranging from 2-5 years.
Q:Could you send me sample before I place an order?
A:
Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.
Send Inquiry
*To:
Hebei Qiniu Machinery Equipment Co., Ltd.
Hebei Qiniu Machinery Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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