Kingkar Eco-technologies company is situated in Changsha city, Hunan Province, China. Established in 2002, has been manufacturer of HHO generators, HHO carbon cleaner, GOCLEAN steam washing machine, DPF cleaning machine, etc.

Equipped with CE, ISO, SGS certification,Obtain 25 patents, including USA invention patent and Registered brand HHO in different countries

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Exported to 98 countries, with 25 exclusive country distributors and 385 city distributors worldwide

Cooperated with over 50 motor Brands, Hyundai and Kia Motor also use our machine

In 2019, Kingkar celebrates 18th anniversary, receiving worldwide distributors congratulation.

Kingkar team has visited distributors worldwide