What is the warranty period?

We provide a 3-year warranty for relative products if the damage is not caused by human factors.

What materials are used for the door closer?

The door closer is made of high-quality aluminum alloy.

What types of doors are suitable for this product?

It is suitable for wooden doors, glass doors, metal doors, fireproof doors, office doors, and hospital doors.

Surface Sliding Low Price Automatic Adjustable Soft Hydraulic Duty Heavy Door Closer

Name: Surface Sliding Low Price Automatic Adjustable Soft Hydraulic Duty Heavy Door Closer
Brand: Hebei Qiniu Machinery Equipment Co., Ltd.
SKU: 2190491875

Hebei, ChinaHebei Qiniu Machinery Equipment Co., Ltd.

US$29.89

10-999 Sets

US$23.89

1,000-49,999 Sets

US$15.89

50,000+ Sets

Sample price:US$1.00/set.Request sample

Product profile

Customization

Available

After-sales Service

Long-Term

Warranty

Three Years

Model NO.

A-QN300B

Material

Aluminum Alloy

Type

Outside-mounted

Installation Type

Doorframe

Function

Stop, Fixed, Delay, Adjustable, Buffered

Standard

European Standard

Remote Control

Without Remote Control

Door Width

600-1100mm

Door Weight

20-100kg

Usage

Market, Fire Exits, Home, Hotel, Office, Hospital, School

Color

Upon Request

Power Size

En 2-4 Adjustabie

Closing Speed

2 Speed Adjustable

Work Temperature

-40~60 Centigrade

Work Humidity

0~90%(Non-Condensing)

Signal Output

Lock Signal(No/Nc/COM)

Transport Package

White Box or Color Box, Carton Packing

Specification

Aluminum Alloy

Trademark

QINIU/ODM

Origin

China(Mainland)

HS Code

83026000

Production Capacity

500000/Year

Key features

3-Year Warranty: Comprehensive 3-year warranty coverage for non-human damage.

Adjustable Closing Speed: Features 2-speed adjustable closing mechanism for precise control.

Wide Application Range: Suitable for wooden, glass, metal, and fireproof doors.

Durable Aluminum Alloy: Constructed from high-quality aluminum alloy for long lifespan.

Professional QC Team: Strict inspection from production to packaging ensures quality.

Fast Delivery: Delivery within 20-30 days after receiving deposit.

Customization Options: Power size, closing speed, and temperature range are customizable.

Multi-Function Control: Includes stop, fixed, delay, adjustable, and buffered functions.

Company profile

Hebei Qiniu Machinery Equipment Co., Ltd.

Hebei, China

Business Type: Manufacturer/FactoryExport Year: 2019-09-09Nearest Port: Tianjin Port, Qingdao PortAverage Response Time: ≤2.01hTerms 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:Can you offer samples?

Yes, we can offer samples to test and check quality.

Q:How does your company do regarding quality control?

We have a professional QC team to inspect each item from the links of production to package.

Q:How about your delivery time?

Normally it will take 20-30 days after receiving your deposit.

Q:What is your terms of payment?

T/T 30% as deposit, and 70% balance before delivery.

Q:What advantages do we have?

First, strict inspection by the QC department before shipping avoids bad quality. Second, we have a shipping department and forwarder to promise faster delivery and protect goods. Finally, our company specializes in professional production of metal box drawer systems, hinges, concealed drawer slides, ball bearing slides, etc.