LINGGA SAKTI INDONESIA, PT East Java Ferro Products Obtained by Direct Prduction of Iron Ore, Line Pipe, Wang Tsung Tsai, Kvo Sen Lin, Jean Julyantono. lsi@linggasakti.com (62-321) 619545-48, 6817210 www.linggasakti.com (62-321) 619090 Kawasan Ngoro Industri Persada Blok K3/B, Ngoro