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![]() We have become extremely active since 1994 to develop overseas trade and set up our Vietnam branch office in 1997 and Shanghai & Thailand branch office in 2002. For the demand of the market, we started to manufacture copper sulphate, copper oxide & paraffin wax with local joint-ventured plant in 1995. Furthermore, we secured ISO certification in December 2000. We export around 500FCL to overseas market worldwide annually. [more] |