Eastern Thailand’s Trusted
Galvanizing Partner

— Proven Precision,
Strategic Reach.

About us

Sister's company to Siam Steel Galvanizing, RGC provides industrial

-grade hot-dip galvanizing services for a wide range of steel structures

RGC is a leading hot dip galvanizer based in Rayong, Thailand, serving industries that demand the highest standards in corrosion protection

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Years of Expertise

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Major Projects Delivered

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Tons Processed Monthly

High-volume capacity to
support large-scale industrial
and infrastructure projects.

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Workpiece Length

Specialized facilities capable of
handling oversized steel
components with precision.

Our Company

THE LEADING NAME IN
HOT-DIP GALVANIZING
ACROSS THAILAND.

Siam Steel Galvanizing Co., Ltd.

Operating with four zinc bath kettles across two strategic locations—Saraburi and Samutprakarn—SSG delivers high-capacity, high-efficiency galvanizing services tailored for diverse industrial needs.

Rayong Galvanizing Co., Ltd.

A sister company of Siam Steel Galvanizing, RGC is strategically located in Thailand’s Eastern Economic Corridor (EEC) to provide streamlined service and logistical advantages for clients across the region.

Our service

We specialize in providing durable hot-dip galvanized solutions.

We offer comprehensive hot-dip galvanizing services to protect steel structures against corrosion. Our facilities are equipped with advanced technology to ensure uniform coating, long-term performance, and 
cost-effective protection for construction, industrial, and infrastructure applications.

Our Projects

Project Reference

We deliver more than services

why choose us

With three decades of experience and industry-certified processes, we deliver consistent galvanizing quality 

at scale — trusted by leading contractors, fabricators, and manufacturers across Thailand and beyond.

Strategically Located in Rayong

Situated in the Eastern Economic Corridor (EEC), RGC is ideal for clients with operations in Rayong, Chonburi, and nearby provinces — with direct access to key logistics routes and ports.

High-Precision Galvanizing

Our skilled team and modern facilities ensure corrosion protection that meets international standards, including ISO 9001 and ASTM compliance.

Trusted by Leading Industries

We serve a wide range of sectors — from transmission lines and telecom to automotive, prefab construction, and industrial equipment.

Consistent Zinc Quality

Using 99.995% special high grade zinc and strict process control, we deliver uniform coating performance and long-lasting durability.

Backed by Siam Steel Gratings Group

Benefit from the stability, reputation, and nationwide network of one of Thailand’s leading industrial groups.

Galvanizing Bath Size

Technical Specifications

our Galvanizing Baths

Sustainability

Building a Better World,
One Step at a Time

We take sustainability seriously — minimizing waste, recycling zinc byproducts, and helping clients extend the lifespan of their steel. Our environmentally responsible galvanizing supports a greener, longer-lasting future.

99.995% Special High
Grade Zinc Used

To ensure consistent coating quality, maximum
durability, and superior corrosion resistance. This high-
purity zinc meets international standards and extends
the lifespan of galvanized steel components.

Trusted Galvanizing
Solutions for Over 30Y

Hot-Dip Galvanizing Experts in Thailand
Delivering Quality & Precision in Every Project

99.995% Special High
Grade Zinc Used

To ensure consistent coating quality, maximum durability, and superior corrosion resistance. This high-purity zinc meets international standards and extends the lifespan of galvanized steel components.

Trusted Galvanizing Solutions for Over 30Y

Hot-Dip Galvanizing Experts in Thailand
Delivering Quality & Precision in Every Project

Testimonial

Trusted by Our Clients

Explore our latest
collection

Discover durable, high-performance galvanized solutions
— explore our catalogue and find the right fit for your project.

Have a question or need a quote?

Get in touch with our team for more information about our hot-dip
galvanizing services, capacity, or project requirements. We're here to help.

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