| Company Name | : | HASAN KEÇECİ MÜHENDİSLİK ELEKTRİK ELEKTRONİK SAN. TİCC. LTD. ŞTİ. |
| Location | : | İSTANBUL / ŞİŞLİ |
| Web Site | : | |
| : | hk@hasankececi.com.tr | |
| Tel | : | |
| Fax | : |
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.