Whiteclay cmpd., San Miguel St., Mabulo Naga City, Camarines Sur
SEJECA MINING (before changed to SIRUMA MINERALS CORPORATION) was originally established in 1990 and the supplier of Siruma-Silica clay.��Lepanto Ceramics Inc. ��Calamba, Laguna��Mariwasa Siam ��Sto. Tomas, Batangas��Cardinal ...
SIRUMA CLAY, SILICA CLAY, KAOLIN CLAY, PARACALE CLAY