Industry Insights

Material selection, process guides and sourcing know-how.

All产品知识安装与维护采购实务

2025-10-09 · 产品知识

How to Choose an AC Bracket? Cold-Rolled vs Galvanized vs Stainless Steel — A Three-Material Comparison

Material determines service life. Qingyun Lubin Metal's own factory carries all three materials. This article helps you choose the right outdoor-unit bracket material across three dimensions: load capacity, rust resistance and cost.

2025-10-08 · 产品知识

How Is a 250kg Bracket Load Achieved? Breaking Down Bracket Structure and Welds

Triangular load structure + robotic automated welding + whole-bracket load testing — where Lubin brackets get their load-bearing confidence.

2025-10-07 · 安装与维护

5 Key Points for AC Bracket Installation: Height, Wall Type and Expansion Bolts — All Matter

A bracket holds firm only when the wall is right, the position is right and the bolts are right. The 5 details installers most often overlook.

2025-10-06 · 安装与维护

Should a Rusted Outdoor-Unit Bracket Be Replaced? A Safety Replacement-Cycle Guide

The bracket is the most overlooked safety part in AC installation. How rusted is too rusted? The answer is here.

2025-10-05 · 采购实务

Bulk Purchasing AC Brackets: The Complete Process from Inquiry to Delivery

From inquiry, spec confirmation, sampling and bulk production to receiving and inspection — one article covering the complete bulk purchase process; direct-from-source factory supply is hassle-free.

2025-10-03 · 采购实务

From Channel Supplier to Global Export: Lubin Metal's Quality Control System

Qingyun Lubin Metal Products Co., Ltd. builds on its own factory with a standardized, refined quality control system; products are exported to the Middle East, Southeast Asia and other markets, and the company has earned AAA credit enterprise and other honors.