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Super-Grade Acid & Alkali Resistant Enamel Frit
Superior Corrosion Protection and Uncompromising Durability
GWIPPO® – 30 Years China Leading Enamel Frit Manufacturer
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Super-Grade Acid & Alkali Resistant Enamel Frit
GWIPPO® Vitreous and Porcelain Enamels
GWIPPO® Glass-Lined Cover Coat
Engineered for demanding industrial applications, our reactor-grade glass lining enamel provides exceptional corrosion resistance and durability, extending equipment service life and enhancing operational reliability.
Glass-Lined Cover Coat
GWIPPO® Glass-Lined Ground Coat
Engineered for maximum bonding performance, our ground coat provides excellent adhesion, superior fish-scale resistance, uniform bubble distribution, and outstanding compatibility with steel substrates.
Glass-Lined Ground Coat
GWIPPO® Water Heater Enamel
GWIPPO industrial-grade enamels provide superior corrosion resistance, helping extend equipment service life and reduce maintenance costs.
Water Heater Enamel
Professional Glass-Lined Parts Manufacturer
Glass-Lined Equipment Parts
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Glass-Lined Equipment Parts
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Glass-Lined Equipment Parts
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Enamel Tank & Accessories
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Cases
Enamel Tank & Accessories
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Enamel Tank & Accessories
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Glass-Lined Equipment Parts
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Enamel Tank & Accessories
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Cases
Cases
Cases
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Glass-Lined Equipment Parts
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Enamel Tank & Accessories
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Cases
Self-Developed High-Performance Glass-Lined Glaze

As the first listed enterprise in domestic industrial glass lining industry, scientific and technological innovation is the core driving force of the company's development.

High-Performance Glass-Lined Glaze
High-Performance Glass-Lined Glaze
30 + years
Expertise in Glass-Lined Glazes
6 Items
National Invention Patent
9 Items
Glass-Lined Field National Standard Drafting Unit
Technical Team
Technical Team
  • Mastering stainless steel glass lining technology

  • Master the production process of double-sided enamel

  • Mastering microcrystalline glass lining technology

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Research Center
Research Center
  • Jiangyin GWIPPO High Performance Vitreous Enamel Materials Research Institute

  • Donghua University glass enamel graduate workstation

  • Long-term close cooperation with Donghua University in the combination of production, study and research

  • Hire the famous domestic enamel connoisseur as the company's technical advisor

  • 5 senior enamel engineers, 8 engineers, 3 senior analysis engineers

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About Us
Founded in 2000, GWIPPO Enamel Co., Ltd. is a listed high-tech enterprise and one of the leading enamel frit manufacturers, dedicated to advanced glass-lined enamel materials and anti-corrosion solutions. Backed by strong R&D capabilities, in-house laboratories, and close industry-university collaboration, GWIPPO has achieved major technological breakthroughs in RTU (ready-to-use) enamel powder for water heater liners and industrial equipment. With integrated manufacturing and strict quality control, GWIPPO serves global industrial customers with reliable and high-performance enamel solutions.
News & Inspirations
GWIPPO
Vitreous Enamel Coating Process: Step-by-Step Guide for Industrial Metal Coating
2026. 08 14
Vitreous Enamel Coating Process: Step-by-Step Guide for Industrial Metal Coating
The vitreous enamel coating process is a controlled sequence of preparing the metal substrate, applying enamel frit and firing it at high temperature until the enamel melts and fuses to the metal. Unl...
Powder Coating vs Enamel Paint vs Porcelain Enamel: Which Is Better for Industrial Metal Protection?
2026. 08 14
Powder Coating vs Enamel Paint vs Porcelain Enamel: Which Is Better for Industrial Metal Protection?
Powder coating and enamel paint are commonly compared when manufacturers choose a protective finish for metal parts, appliances, hardware and industrial equipment. However, industrial porcelain enamel...
Introducing GP-5B: High Alkali-Resistant White Enamel: Specially Developed for Pharmaceutical, Food & Fine Chemical Equipment
2026. 07 31
Introducing GP-5B: High Alkali-Resistant White Enamel: Specially Developed for Pharmaceutical, Food & Fine Chemical Equipment
As the pharmaceutical, food, and high-purity fine chemical industries continue to demand higher standards of equipment cleanliness and media compatibility...
No.8 Yishan Road, Yumen Industrial Park, Shengang, Jiangyin City, Jiangsu Province
ky@gwippo.com +86-18961661782
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