oubao - OUBAO Access Control

July 20, 2026

ANSI/BHMA A156.4: Grade 1 vs Grade 2 Door Closers

Published by oubao on July 20, 2026

Categories

Selection Guide

ANSI/BHMA A156.4: Grade 1 vs Grade 2 Door Closers Guide

July 19, 2026

Published by oubao on July 19, 2026

Categories

basic

Do Commercial Doors Need Door Closers?

July 18, 2026

Overhead Concealed Door Closers Explained

Published by oubao on July 18, 2026

Categories

basic

What Are Overhead Concealed Door Closers?

July 17, 2026

Published by oubao on July 17, 2026

Categories

basic

Installing Concealed Door Closers: Tips and Best Practices

July 16, 2026

Published by oubao on July 16, 2026

Categories

basic

What Is the Delay Time Adjustment on a Delayed Action Door Closer?

July 15, 2026

Published by oubao on July 15, 2026

Categories

basic

How to Adjust a Standard Door Closer in 6 Steps

July 14, 2026

Best door closer for an aluminum storefront door installed on a commercial glass entrance with surface-mounted and concealed door closer options.

Published by oubao on July 14, 2026

Categories

basic

What Is the Best Door Closer for an Aluminum Storefront Door?

July 13, 2026

Published by oubao on July 13, 2026

Categories

basic

8 Types of Aluminium Door Closers Explained

June 26, 2026

Published by oubao on June 26, 2026

Categories

basic

How Are Door Closers Graded?

June 22, 2026

The image features a close-up of a silver, EN1154 adjustable 2026 Series Square Door Closer displayed on a metallic pedestal in the foreground, with an identical unit shown mounted on a glass and wood-frame door in the background.

Published by oubao on June 22, 2026

Categories

basic

Replacing The Closer On Full-Lite Self-Storing Storm Doors

June 19, 2026

The image showcases an OUBAO 100 Series Door Closer, displaying its internal metallic cylinder mechanism on a pedestal in the foreground, with white diagram lines connecting it to the fully assembled silver unit mounted on a glass door in the background.

Published by oubao on June 19, 2026

Categories

basic

What Is The Difference Between A Door Closer And A Hydraulic Door Closer?

June 15, 2026

The image is a fire rated door closer, showcasing its internal hydraulic power mechanism on a foreground pedestal with indicator lines labeling the spring tension adjuster and closing speed valve, while the fully assembled dark metallic unit is mounted on a glass door in the background.

Published by oubao on June 15, 2026

Categories

Selection Guide

Fire Rated Door Hardware Closer: Types & Selection Guide

June 12, 2026

A metallic silver hydraulic door closer mechanism, complete with its main body casing and adjustable jointed arm assembly, is displayed against a clean, light gray background.

Published by oubao on June 12, 2026

Categories

Market Insight

Top 10 Automatic Door Closer Companies and Wholesale in the Middle East

June 8, 2026

This image displays the OUBAO 9016 Adjustable Power Multi-Function Door Closer series, featuring internal cylinders on foreground pedestals linked to identical silver units demonstrating a "hold-open active" function on a propped door and a "non-hold-open: closing" function on a moving glass door.

Published by oubao on June 8, 2026

Categories

basic

Hold-Open vs Non-Hold-Open Door Closers

June 5, 2026

A sleek, silver surface-mounted door closer with a mechanical arm is installed at the top of a modern wood-textured door set within a concrete wall.

Published by oubao on June 5, 2026

Categories

Market Insight

Top 10 Commercial Door Closer Manufacturers in China for Global Projects

June 1, 2026

This image shows a close-up of a dark wood-grained door equipped with a metallic hydraulic door closer at the top and a matching lever handle, installed within a textured concrete wall looking out into a modern office interior.

Published by oubao on June 1, 2026

Categories

Market Insight

Blog

Recent Blogs

ANSI/BHMA A156.4: Grade 1 vs Grade 2 Door Closers Guide

Do Commercial Doors Need Door Closers?

What Are Overhead Concealed Door Closers?

Installing Concealed Door Closers: Tips and Best Practices

What Is the Delay Time Adjustment on a Delayed Action Door Closer?

How to Adjust a Standard Door Closer in 6 Steps

What Is the Best Door Closer for an Aluminum Storefront Door?

8 Types of Aluminium Door Closers Explained

How Are Door Closers Graded?

Replacing The Closer On Full-Lite Self-Storing Storm Doors

What Is The Difference Between A Door Closer And A Hydraulic Door Closer?

Fire Rated Door Hardware Closer: Types & Selection Guide

Top 10 Automatic Door Closer Companies and Wholesale in the Middle East

Hold-Open vs Non-Hold-Open Door Closers

Top 10 Commercial Door Closer Manufacturers in China for Global Projects

Top 10 Professional Automatic Door Closer Companies and Wholesale in the Euro Market 2026