| Company Name | : | ANKA ÇELİK YAPI SİS. SAN. VE TİC. LTD. ŞTİ |
| Location | : | İSTANBUL / ÜMRANİYE |
| Web Site | : | www.ankacelik.com |
| Tel | : | +90(216) 420 04 99 |
| Fax | : | +90(216) 420 04 97 |
MINERALS GYPSUM, ANHYDRITE, PLASTERS Gypsum is a mineral containing calsium sul fate in its chemical composition. In addition to natural Gypsum, synthetic gypsum is pro duced as well. Important gypsum sources include ankm orum, Yozgat, Erzincan, Ankara-Bala, Sivas, Kars-Kağızman, Tuzluca, Denizli-Sarayköy and Niğde-Karakol.