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History
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1987. 10 Construction of Isotropic Ferrite Plant completed at Masan Factory
           08 Technical Cooperation with TODA KOGYO(Japan) for Ferrite Production
1986. 11 Technical Research Institute established  
           11 $5mil Exportation Tower Prize awarded
1985. 11  $2mil Exportation Tower Prize awarded 
           07 Technical Cooperation with ASAHI GLASS CO., Ltd(Japan) for Refractories Production 
           06 Construction of Fine Ceramics Factory completed 
1984. 11 Attained KS L 3202, KS L 3511, KS L 3513, KS L 3521 Certification 
1983. 12 Construction of High-temperature Calcination Furnace completed at Masan Factory 
           08 Attained KS L 3201, KS L 3205 Certification 
           06 Company name changed (Chang Won Ceramics co. Ltd to Chang Won co. Ltd) 
           06 Construction of Rolling Mill and Unshaped Refractories Plant completed
           03 Production of Hot Gunning Material and Ramming Mixes begins
1981. 06 500Ton Press Installed
           02 Ship Dismantlement Division, Ceramic Division,Industrial Furnace Division created 
           09 Saemaul Movement Excellent Company Prize awarded