| Company Name | : | ÇELİK YAPI PROJE İMALAT MONTAJ SAN. VE TİC. A.Ş. |
| Location | : | İSTANBUL / ESENTEPE ŞİŞLİ |
| Web Site | : | www.e-celikyapi.com |
| Tel | : | |
| Fax | : | +90(212) 275 28 29 |
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.