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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
Our reactor-grade glass lining enamel boasts superior acid-alkali resistance & stability, perfect for industrial equipment—prolonging lifespan and securing operational steadiness.
Glass-Lined Cover Coat
GWIPPO® Glass-Lined Ground Coat
Our ground coat: Superior adhesion, high anti-fish-scale burst, even bubble structure, and expansion coefficient matching steel plates.
Glass-Lined Ground Coat
GWIPPO® Water Heater Enamel
GWIPPO industrial grade enamels adhere to strict industrialstandard, protecting the lining against corrosion. Gwippo glass industrial grade enamel lining extending the life span 5 years longer!
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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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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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 200, 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
GWIPPO Knowledge Corner | The Firing Process of Ground Coat Enamel
2026. 06 02
GWIPPO Knowledge Corner | The Firing Process of Ground Coat Enamel
During the firing process of the ground coat enamel, complex physical and chemical reactions occur between the steel substrate and the ground coat. In an oxidizing atmosphere, an oxide film forms on t...
GWIPPO Enamel Tips | Causes and Countermeasures for Off-Color Spots in Glass-Lined Enamel Coatings
2026. 05 18
GWIPPO Enamel Tips | Causes and Countermeasures for Off-Color Spots in Glass-Lined Enamel Coatings
AbstractThe performance of a glass-lined enamel coating is closely related to the chemical composition of the enamel glaze, the frit smelting process, the enameling/firing process, the thickness and u...
No.8 Yishan Road, Yumen Industrial Park, Shengang, Jiangyin City, Jiangsu Province
ky@gwippo.com +86-13621535272
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