| Company Name | : | GKB ÇELİK KONS.TES.MAK.TAAH.SAN. VE TİC.LTD.ŞTİ. |
| Location | : | BURSA / NİLÜFER |
| Web Site | : | www.gkbltd.com |
| Tel | : | +90(224) 411 19 82 |
| 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.