News | Lever Handles Manufacturer

2026-02-10

Yes, door handles can be painted — but whether you should paint them depends on the base material, the environment, and the expected service life.

2026-02-09

How To Fix A Door Handle That Fell Off

From a manufacturer’s perspective, a detached handle is not simply a maintenance problem. It is a signal that either installation torque, material selection, or internal structural control was insufficient. Understanding how to fix it properly also helps project decision-makers evaluate long-term hardware reliability.

2026-02-06

How To Change A Door Handle Without Screws

This guide explains how to change a door handle without screws, while also helping decision-makers understand what structural quality to evaluate when selecting hardware for projects.

2026-02-05

How Does A Door Handle Work

A door handle may look simple on the surface, yet behind its clean exterior lies a precisely engineered mechanical system. Understanding how a door handle works is not only useful for maintenance or installation, but also essential when specifying hardware for commercial buildings, residential developments, or bulk procurement projects.

2026-02-04

How To Clean Brass Door Handles

Brass door handles are chosen for one reason: they look premium the day they are installed. The challenge is keeping that look after months of fingerprints, cleaning chemicals, humidity, and daily use. From a manufacturer’s perspective, cleaning is not just a housekeeping topic.

2026-02-03

How To Take Off A Door Handle Without Screws

Modern architectural design increasingly favors door handles without visible screws. Concealed-fix systems provide a cleaner appearance, better tamper resistance, and improved corrosion protection. However, removal requires understanding the internal locking structure and mounting system.

2026-02-02

How To Remove Door Knob Handle

Removing a door knob handle is one of the most common maintenance tasks in residential and commercial buildings. Whether for replacement, repair, upgrade, or large-scale renovation projects, understanding the correct removal procedure is essential.

2026-01-30

Do Piano Hinges Swing Both Ways

No. Standard piano hinges do not swing both ways.A typical piano hinge (also called a continuous hinge) is single-acting, meaning it allows movement in one direction only. The direction of swing is determined by how the hinge is installed.

2026-01-29

Do Piano Hinges Swing Both Ways

Most piano hinges do NOT swing both ways.A standard piano hinge is single-acting, meaning it allows the door or panel to swing in one direction only, determined by how and where the hinge is installed.

2026-01-28

Do Hinges Have To Be Recessed

No, hinges do not always have to be recessed. Whether a hinge is recessed (mortised) or surface-mounted depends on the hinge type, door design, load requirements, appearance goals, and clearance needs.

2026-01-27

Do Hinges Have To Be Recessed

No, door hinges do not have to match door knobs. There is no functional requirement that hinges and knobs be the same finish, style, or material. Matching is a design choice, not a technical rule.

2026-01-26

Can You Use Vegetable Oil To Lubricate Door Hinges

You can use vegetable oil on a door hinge temporarily, but it is not recommended as a proper or long-term lubricant. While it may quiet a squeak for a short time, vegetable oil creates more problems than it solves over time.