SIBELCO LAUTAN MINERALS, PT West Java Kaolin (China Clay), Gurdi, Amelia. gurni@sibelcoasia.com (62-21) 8937465 www.sibelcolautanminerals.com (62-21) 8937466 Jl. Jababeka XVI Blok W No. 30-35, Kawasan Industri Jababeka 1 Cikarang