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        Dongguan Dongjiang Chemical Reagent Co.,Ltd, the predecessor of "Dongguan Dongjiang chemical reagents Ltd." joint venture, founded in 1980, in 2002, approved by the relevant departments of the restructuring of state-owned enterprises into joint-stock enterprises. The company is the first approved by the People's Republic of China, Dongguan City, Ministry of Chemical Industry production of specialized enterprises of chemical reagents and related products, through the international authority of the British company's BSI ISO9001 certification. Production and safety standardization 3 certification by the cleaning. While the company's production of "East test card" chemical agent was "Dongguan City

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