| Company Name | : | HEED İNŞAAT KİMYA VE TARIM ÜRÜN.SAN.TİC.LTD.ŞTİ. |
| Location | : | İSTANBUL / SOĞANLIK KARTAL |
| Web Site | : | www.heedgroup.net |
| Tel | : | +90(216) 377 41 01 |
| Fax | : | +90(216) 377 41 03 |
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.