About Delong Metal
Delong is a professional galvanized steel manufacturer with more than a decade of experience.
We have qualified team of highly trained craftsmen, architects, and engineers. Our factory is well-equipped with high technology production equipment and in-house facilities. Guaranteed that Delong Metal is an ISO9001:2015 certified quality management systems. We are committed to providing the most reliable steel solutions to global users.
Delong Galvanized Steel Material
One Stop Galvanized Steel Manufactory
Production Lines
M2 Warehouse
Professional Sales
M2 Production Area
Experience Workers
Tons Annual Output
Our Project

Aviation & Aerospace

Construction & Building

International Airport

Marine Industry Base

Urban Architecture

Bridge Engineering

Nuclear Power Plant

Solar Power
Our Top Clients
What Clients Say About Delong Metal

Demir
“I recently purchased galvanized steel products from Delong Metal and I must say that I am extremely impressed with the quality and durability of their products. The customer service was also excellent, and the price was very reasonable. I would definitely recommend them to anyone looking for galvanized steel products.”

Javad
“Delong Metal is a great choice for all your galvanized steel needs. The quality of their products is top-notch, and their customer service is outstanding. I highly recommend them.”

Reza Deylamipour
“If you’re in the market for galvanized steel products, look no further than Delong Metal. Their products are of the highest quality and their customer service is second to none. They truly exceeded my expectations and I will definitely be doing business with them again.”

Tarun Singla
“I was extremely pleased with my experience with Delong Metal. Their galvanized steel products are top-notch and their customer service is outstanding.”
Delong News
Galvanized Grating: Types, Specifications, Manufacturing Process & Applications
Explore Delong Metal’s galvanized grating solutions—durable, corrosion-resistant steel gratings ideal for industrial, commercial, and architectural applications with long service life.
Basic Factors Affecting Galvanized Steel Lifespan
Discover the key factors affecting the lifespan of galvanized steel, including corrosion mechanisms, environmental exposure, and durability, to ensure long-lasting, maintenance-free, and sustainable steel structures.
Is Galvanized Steel Safe for Drinking Water?
Discover whether galvanized steel pipes are safe for drinking water, learn about galvanized pipe corrosion, lead risks, and alternatives for potable water pipe systems.
Surface Treatment of Galvanized Steel: Local High-Temperature Coating Process
Explore how galvanized steel fire rings and fire pit galvanized steel perform under fire, their fireproof material for fire pit properties, and safe applications for outdoor and structural use.
What Happens to Galvanized Steel in a Fire?
Explore how galvanized steel fire rings and fire pit galvanized steel perform under fire, their fireproof material for fire pit properties, and safe applications for outdoor and structural use.













