TG

What TG does

TG (Taiwan Plating Technology Co., Ltd. / 臺鍍科技股份有限公司) is a privately held Taiwanese hot-dip galvanizing service provider founded in 1977 by Hsiao Sheng-yen (蕭勝彥), operating from headquarters in Taipei City and two manufacturing facilities in Guanyin (Taoyuan) and Luzhu (Kaohsiung). The company is described as Taiwan's largest-capacity operator among approximately five large-scale hot-dip galvanizers on the island, with a portfolio of more than 20 proprietary processes spanning structural steel, bridge components, utility poles, fasteners (washers, iron nails, iron chains, self-tapping screws), and solar photovoltaic structural components. Its zinc coating technology provides both barrier protection and sacrificial anode protection, marketed on the basis of 100+ year maintenance-free service life versus 5-15 year repaint cycles for paint-coated alternatives, with KPMG-validated claims of NT$18.7 billion in lifecycle cost savings on a typical 10,000-ton bridge and 96% lower lifecycle CO2 emissions.

The company's underlying technology is conventional hot-dip galvanizing — immersing fabricated steel in molten zinc baths at approximately 450°C to form a metallurgically bonded alloy layer — augmented by specialized techniques for small-format fasteners, continuous galvanizing of iron chain, and an advanced zinc-aluminum-magnesium alloy variant for harsher environments. Reference projects include Taiwan's longest-span single-tower asymmetric cable-stayed bridge (Danjiang Bridge / 淡江大橋) for the Ministry of Transportation Highway Bureau, and the Zhonghe Zhongzheng Road Flyover which has reportedly required zero corrosion-related maintenance in 30 years of service. There are no AI, software, or digital-platform capabilities evident; the moat rests on capital-intensive production assets, metallurgical know-how accumulated across four decades, and embedded relationships with Taiwan's central and local government procurement infrastructure.

TG operates a B2B contract manufacturing model, generating revenue through processing fees denominated per ton of treated steel and project-specific quotations. Customer concentration sits primarily in public infrastructure and government projects (bridges, highways, utilities), with secondary exposure to industrial manufacturing (power plants, petrochemical facilities) and commercial construction. Pricing is negotiated individually with no public schedule, and an industry-association reference cites NT$90 million for hot-dip galvanizing versus NT$69 million for paint coating on a 10,000-ton bridge — a 30% up-front premium justified by lifecycle economics. Go-to-market is enterprise field sales supported by technical seminars, factory tours, and industry-association advocacy through the Taiwan Hot-Dip Galvanizing Association, which TG's founder chaired for six years. The company is family/founder-controlled with no disclosed institutional investors or public listing.

Name

TG

Legal name

臺鍍科技股份有限公司

Website

https://tgnet.com.tw

Company type

Private

Founded year

1977

Operating status

Operating

Short description

TG (Taiwan Plating Technology) is a privately held Taiwanese hot-dip galvanizing service provider founded in 1977, operating Taiwan's largest-capacity zinc-coating facilities and serving government infrastructure, industrial, and construction customers with anti-corrosion steel processing.

Ownership category

akta.pro rank

Product category

Metal Surface Treatment (Hot-Dip Galvanizing Services)

NAICS

Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers (332812), Coating, Engraving, Heat Treating, and Allied Activities (33281), Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722)

SIC

Bolts, Nuts, Screws, Rivets & Washers (3452), Fabricated Structural Metal Products (3440), Steel Pipe & Tubes (3317)

akta.pro primary industry

Coated & Plated Steel (Galvanized, Galvalume, Tinplate, Electrogalvanized, Color-Coated) (IMAKABAG)

Keywords

• Hot-dip galvanizing services
• Steel corrosion protection
• Galvanized fastener manufacturing
• Metal surface treatment
• Industrial zinc coating

Headquarters

HQ city

Taipei

HQ country

Taiwan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Supply Chain, Marketing or Sales, Technology or R&D

Revenue model

1. Hot-Dip Galvanizing Processing Services: Contract manufacturing services for hot-dip galvanizing of steel structures, fasteners, reinforcement steel, and industrial components. Revenue is generated through processing fees based on material weight and complexity. Services include treatment of construction steel, bridge components, utility poles, and various hardware.
2. Solar Photovoltaic Structural Components: Design, structural calculation, material procurement, steel processing, surface treatment, hardware accessories, and transportation services for solar energy installations.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

TG provides contract hot-dip galvanizing surface treatment services that coat steel components (structural steel, bridge members, reinforcement steel, utility poles, fasteners, and industrial hardware) with a zinc alloy layer to deliver 100+ year corrosion protection. Core offerings include general hot-dip galvanizing for structural steel, exclusive galvanizing techniques for washers/iron nails/iron chains/self-tapping screws, and an integrated solar photovoltaic structural component service covering design, structural calculation, material procurement, steel processing, surface treatment, hardware accessories, and transportation.

Product overview

Taiwan Plating Technology (TG) is a hot-dip galvanizing service provider established in 1977, offering hot-dip galvanizing anti-corrosion technology as its core product and service. The company provides specialized hot-dip galvanizing for various steel products including fasteners (washers, iron nails, iron chains, self-tapping screws), structural steel for construction and transportation applications, and solar photovoltaic infrastructure. With over 20 core technologies, 35+ years of industry experience, and 10,000+ satisfied customers, TG operates manufacturing facilities in Taipei (headquarters), Guanyin (Taoyuan), and Kaohsiung.

Differentiator

Problem solved

Functional benefit

Products and services

• Hot-Dip Galvanizing Anti-Corrosion Service (熱浸鍍鋅) Contract hot-dip galvanizing surface treatment service that immerses steel components in a molten zinc bath (~450°C) to create a protective alloy layer that prevents rust and extends structural lifespan to 100+ years. Service covers construction steel, bridge components, reinforcement steel, utility poles, and various industrial hardware; sold to government agencies, construction firms, and industrial customers on a project basis.
• Galvanized Fastener Products (扣件產品) — washers, iron nails, iron chains, self-tapping screws Specialized hot-dip galvanizing services for fastener products using proprietary techniques for washers (華司), iron nails (鐵釘), iron chains (鐵鍊), and self-tapping screws (自攻螺絲). Serves construction, transportation, and industrial applications requiring long-life corrosion protection on small-format hardware.
• Solar Photovoltaic Structural Component Services (太陽能光電) Integrated turnkey service for solar PV mounting structures covering structural design, structural calculations, material procurement, steel processing, surface treatment (including hot-dip galvanizing), hardware accessories, and transportation. Sold to solar PV project developers and EPC contractors on a project basis.

Quantifiable outcome

• Saves NT$18.7 billion in maintenance costs over 100 years compared to paint coating for a typical bridge (KPMG study on Shuuyue Bridge)
• +4 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• Taiwan Hot-Dip Galvanizing Association (中華民國熱浸鍍鋅協會)coreStrategic or Co-development Partner · 11 September 2025Chairman Hsiao Sheng-yan serves as Chairman of the Taiwan Hot-Dip Galvanizing Association. The association works to promote hot-dip galvanizing technology, develop industry standards, publish technical materials, and advocate for policy changes to increase adoption of corrosion protection methods in public infrastructure.
• Taiwan Corrosion Prevention Engineering Association (中華民國防蝕工程學會)minorStrategic or Co-development Partner · 11 September 2025Co-organizer of the 2025 Excellent Hot-Dip Galvanizing Engineering Award ceremony and lifecycle cost seminar.
• New Taipei City Highway Maintenance Office (新北市養護工程處)coreImplementation/ SI/ Consulting Partner · 1 August 2025Technical exchange and training for maintenance engineers on hot-dip galvanizing applications. 37 staff members participated in factory visit and technical training at TG's Guanyin facility to understand corrosion protection for public infrastructure.
• Chinese Construction Management Association (中華營建築管理協會)minorImplementation/ SI/ Consulting Partner · 30 June 2025Association organized factory visit for 22 members to learn about hot-dip galvanizing technology and its applications in construction quality improvement.
• Taiwan Construction Research Institute (財團法人台灣營建研究院)coreStrategic or Co-development Partner · 19 May 2025Collaborative training and technical exchange programs. Hosted educational visits at TG's Guanyin factory for institute researchers to understand hot-dip galvanizing manufacturing processes and public infrastructure applications. The institute is developing anti-corrosion technical guidelines for road and rail bridges.
• Taoyuan District Office (桃園區公所)minorImplementation/ SI/ Consulting Partner · 26 March 2025Local government engineering team visit for 41 staff members to understand hot-dip galvanizing for public works applications.
• Executive Yuan Public Construction Commission (行政院公共工程委員會)coreImplementation/ SI/ Consulting Partner · 4 December 2024Policy-level engagement with government procurement authority. Commission Director Tseng Jun-min led executive team to tour TG facilities to understand hot-dip galvanizing for potential inclusion in public works anti-corrosion guidelines.
• Hot-Dip Galvanizing Anti-corrosion Technology Research Foundation (中華民國熱浸鍍鋅防蝕技術研究基金會)minorStrategic or Co-development Partner · 11 September 2024Co-organizer of 2025 Excellent Hot-Dip Galvanizing Engineering Award.
• Taoyuan City Government (桃園市政府)coreImplementation/ SI/ Consulting Partner · 18 January 2021City government engineering team of approximately 60 officials visited TG's Guanyin factory to understand hot-dip galvanizing applications for Taoyuan's construction projects, including the Taoyuan Aerotropolis development.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Others

• Hung Kuo Steel Construction Co., Ltd. Taiwan-based structural steel fabricator active in construction and infrastructure projects. Functions as a downstream customer/partner for hot-dip galvanizing services and operates in the same Taiwan public-infrastructure ecosystem as TG.

Direct peers

• Galvan Industries, Inc. US-based hot-dip galvanizing service provider with multiple plants, focused on structural steel and fasteners. Comparable mid-sized private galvanizing service model with similar customer profile to TG.
• AZZ Inc. Largest dedicated hot-dip galvanizing service provider in North America, operating a network of galvanizing plants serving infrastructure, industrial, and construction customers. Directly comparable to TG as a pure-play contract galvanizer with similar customer verticals.
• ZINQ Technologies GmbH: One of Europe's largest hot-dip galvanizing groups (formerly Voigt & Schweisser), operating multiple plants across Germany and Europe serving steel-construction, energy, and infrastructure customers. Closely comparable operating model and end-market mix to TG.

Broad incumbents

• Tata Steel Limited: Global integrated steel producer with substantial galvanized and coated steel product lines serving construction and infrastructure. Comparable end-market exposure (bridges, public infrastructure, construction) but a broad steelmaker rather than a dedicated service galvanizer.
• Nippon Steel Corporation: Major Japanese integrated steel producer with significant in-house galvanizing capacity for coated steel products. Overlaps with TG at the downstream coated-steel end of the value chain but operates as a broad steelmaker rather than a dedicated galvanizing service.
• China Steel Corporation: Taiwan's largest integrated steel producer and a logical upstream/customer-side counterpart for TG's galvanizing services. While not a direct galvanizing competitor at the service level, it shapes the supply and demand dynamics for galvanized steel in TG's home market.

Regional players

• Korvest Galvanizers: Australian hot-dip galvanizing service provider serving construction, infrastructure, and industrial markets in Australia and Oceania. Comparable service offering and end-markets, but operates in a different geography than TG.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TG