Tainan, Taiwan · Since 1990

Surface treatment and coating lines for fastener makers — designed, built and installed by one team

Dacromet/Ruspert curing furnaces, dip-spin centrifuges, hydrogen embrittlement relief ovens and complete powder, liquid and e-coating lines — custom-engineered for your parts and throughput for more than 30 years.

Founded
1990
Years building equipment
30+
Product lines
7
Built to your spec
100%

Product lines

From single machines to complete plants, covering the full fastener surface treatment and metal finishing process.

  • Fastener Coating Curing Ovens

    Fastener Coating Curing Ovens

    Conveyorized curing ovens for Dacromet, Ruspert and other zinc flake coatings, plus sealer and topcoat drying ovens.

    2
  • Dip-Spin Centrifuges

    Dip-Spin Centrifuges

    Dip-spin coating centrifuges for screws and fasteners, from lab sample units to fully automatic lines.

    3
  • Hydrogen Embrittlement Relief Ovens

    Hydrogen Embrittlement Relief Ovens

    Post-plating baking ovens that relieve hydrogen embrittlement in high-strength fasteners — roller, batch and mesh-belt types.

    3
  • Turnkey Coating Lines

    Turnkey Coating Lines

    Complete powder coating, liquid painting and electrodeposition (e-coat) plants.

    3
  • Pre-treatment Systems

    Pre-treatment Systems

    Degreasing, rinsing, surface conditioning and phosphate conversion coating before painting — immersion, spray and gantry types.

    3
  • Material Handling & Peripherals

    Material Handling & Peripherals

    Coating mixers, lift tippers, drum tippers, vibratory feeders, feeding conveyors and overhead crane systems.

    6
  • Conveyors & Custom Machinery

    Conveyors & Custom Machinery

    Assembly line conveyors, automated conveyor systems and hydraulic freight lifts.

    3

Key equipment

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Zinc Flake Coating Curing Oven (Dacromet / Ruspert)
Fastener Coating Curing Ovens

Zinc Flake Coating Curing Oven (Dacromet / Ruspert)

Conveyorized mesh-belt curing oven for Dacromet, Ruspert and other zinc flake coatings on screws and fasteners — can be linked with dip-spin centrifuges into a fully automatic coating line.

Models: HTC-DST-001 · HTC-RST-002

Standard Dip-Spin Centrifuge
Dip-Spin Centrifuges

Standard Dip-Spin Centrifuge

Dip-spin coating centrifuges for screws and fasteners in five sizes, HTC-300 to HTC-800, handling 5–100 kg per batch — from lab sampling units to automated production lines.

Models: HTC-300 · HTC-400 · HTC-500 · HTC-600 · HTC-800

Tilting Dip-Spin Centrifuge
Dip-Spin Centrifuges

Tilting Dip-Spin Centrifuge

Automatic dip-spin centrifuge with a tilting basket that discharges parts after spinning — HTC-500A, 600A and 800A for continuous fastener coating lines.

Models: HTC-500A · HTC-600A · HTC-800A

Turnkey Powder Coating Line
Turnkey Coating Lines

Turnkey Powder Coating Line

Complete powder coating plants — pre-treatment, dry-off oven, powder booths, powder recovery, curing oven and overhead conveyor — planned and built by Hung Tieh.

Turnkey Liquid Painting Line
Turnkey Coating Lines

Turnkey Liquid Painting Line

Complete wet paint lines with pre-treatment, spray booths, painting robots, flash-off, bake oven and conveyor — for bicycle frames, automotive and motorcycle parts and other metal products.

Why Hung Tieh

01

Engineered to order

Each machine is sized to your parts, materials, output and floor space — your process does not have to bend around a standard model.

02

Turnkey line planning

Pre-treatment, coating, curing, conveying, exhaust treatment and ductwork, integrated by a single supplier.

03

In-house manufacturing

Fabricated and assembled in our own Tainan factory, so we control quality and lead time, and test before shipping.

04

Long-term support

Installation, commissioning, operator training and ongoing maintenance keep your line running for years.

How we work

  1. Consultation

    We learn about your parts, output, coatings and plant.

  2. Engineering

    Layout, process proposal and quotation.

  3. Manufacturing

    Built in our factory and tested before shipping.

  4. Installation

    On-site installation, commissioning and training.

  5. After-sales

    Maintenance, spare parts and upgrades.

Industries we serve

  • Screws & fasteners
  • Automotive parts
  • Hardware
  • Bicycle components
  • Metal furniture
  • Machinery & steel parts
Product catalog

Download our catalog

The full product catalog as a PDF — easy to share with your team or print.

Planning a new line or replacing old equipment?

Tell us about your parts and target output, and we will get back to you with a preliminary layout and quotation.