What materials are used for the hydraulic fittings?

The hydraulic fittings and coverplates are made from SS304 stainless steel material.

What is the maximum door weight supported?

It supports door weights ranging from 45kg to 120kg, with specific sizes suitable for 45-65kg doors.

Heavy Duty Automatic Hydraulic Adjustable Square Body Fireproof Door Closer

Name: Heavy Duty Automatic Hydraulic Adjustable Square Body Fireproof Door Closer
Brand: Unitech Hardware Products Co., Limited
SKU: 1971369245

Guangdong, ChinaUnitech Hardware Products Co., Limited

US$9.00

100-499 Pieces

US$8.50

500-999 Pieces

US$8.20

1,000-1,999 Pieces

US$8.00

2,000+ Pieces

Sample price:US$9.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Have

Warranty

2 Years

Model NO.

BM-040

Material

Iron

Type

Embedded

Installation Type

Standard

Function

Stop, Fixed, Adjustable

Standard

Chinese Standard

Remote Control

Without Remote Control

Door Width

1100mm

Door Weight

85~120Kg

Usage

Market, Home, Hotel, Office, Hospital, School

Transport Package

4 PCS/ CTN

Specification

318*136MM

Trademark

Origin

China

HS Code

83024100

Production Capacity

2000 Pieces/ Month

Key features

Customizable Colors: Available in silver, black, golden, or customized colors per customer demand.

OEM/ODM Support: Full customization, minor customization, and flexible options including laser logo and color boxes.

2-Year Warranty: Comprehensive 2-year guarantee period for the product.

Versatile Application: Suitable for iron doors, aluminum doors, hotel doors, and fire doors.

High Load Capacity: Supports door weights from 45kg to 120kg depending on size.

Durable Materials: Hydraulic fittings and coverplates made from SS304 stainless steel.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Unitech Hardware Products Co., Limited

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤3.01h

AI-Powered supplier vetting

SummaryThe supplier is an operating manufacturer of window, door, glass, bathroom, railing, and construction hardware. It provides OEM and ODM services, reports new products within the past year, and offers broad customization from samples, designs, and full specifications. Export activity is established, with major markets across South America, Africa, Southeast Asia/Mideast, Europe, and domestic sales. However, the supplier reports no management-system certifications, no written corrective-action or complaint-handling procedures, no quality assurance or raw-material traceability, and finished products are checked by packing staff. Production is based on one line, with six to ten quality-control staff and stated inventory capability, but no valid manufacturing-capacity contract with associated subcontractors. Financial records are identified for 2021–2023, but the provided slices do not establish financial strength. No customer names or verifiable customer cases are provided.

Supplier typeThe supplier is an operating enterprise specializing in window and door hardware, glass and bathroom hardware, glass railing fittings, and construction hardware. Its stated product scope and manufacturing context support classification as a hardware manufacturer, although the slices do not identify a more specific legal or business category.

CertificationsThe supplier reports its supplier-management-system certification status as NIL. This is explicit evidence that no such certification is reported in the provided information.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints or corrective and preventive actions. It also reports no written service-capability assessment procedures and no approved supplier list, indicating a documented after-sales and service-management deficiency.

R&D capabilityThe supplier states that it introduced new products during the past year and provides ODM services, indicating active product-development capability. However, it has one R&D engineer in total and no available SDK, so the evidence supports basic innovation capability but not a strong technology-development platform.

Production capacityThe supplier operates one production line, reports six to ten quality-control staff, maintains inventory capability, and states peak- and off-season lead times within 15 working days. Countervailing limitations include no valid manufacturing-capacity contract with associated subcontractors and finished-product inspection performed by packing staff, so capacity is evidenced but production-control robustness is limited.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides ODM services. These repeated statements provide direct evidence of broad customization capability.