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GreenVCI R&D Co., Ltd. ("GRD") 

WE MANUFACTURE green volatile corrosion inhibitors (VCI) raw materials and industrial detergents since 1994. 
(Forerunner company: Eundong International Inc.)

WE SPECIALIZE in researching and developing 3rd generation VCI technology through plant extracts and food grade chemicals without the use of nitrite and secondary amines.

WE CUSTOMIZE our products and services if required to provide complete corrosion control solutions.

WE ARE committed to preserving a green and non-hazardous environment for all people dedicated in the field of corrosion.

Since 1994 

With over +27 years of experience in manufacturing VCI products and customizing corrosion protection solutions, we ensure you "CAN TRUST IT CAN'T RUST".

Year 2011

GreenVCI R&D / (주)조은기업 (South Korea)
Formerly known as John & Eundong

VCI History

Yr. 1940

Marketed Chemical Name: Amines, dichan, dicyclohexylamine, diisopropylamine, and etc.

The US government funded research for corrosion protection solutions on the exported metal products during the World War 2 when the US military was dealing with heavy corrosion problems in Southeast Asia.


Yr. 1970

Marketed Chemical Name: Nitrite based, sodium nitrite, potassium nitrite, and etc.

Nitrite mixed VCI products are currently the most widely-used VCI products and is still being marketed as nitrite-free and non-nitrite.
(Often times nitrite are excluded yet amines are present)


Yr. 2000

Marketed Chemical Name: Food grade, food additives, organic salts, plant extracts, 100% no nitrite, 100% no secondary amines, & biodegradable

GreenVCI is a 3rd generation VCI technology engineered through plant extracts and food grade chemicals without the use of nitrite and amines.

GreenVCI R&D Co., Ltd.  

Seongyeopjagi-gil 50, Pungse-myeon, Dongnam-gu, Cheonan-si, Chungcheongnam-do, South Korea
TEL: +82-41-621-0901
Email: info@greenvci.com