We M/S Khan enterprises have our own Mains for silica Quartz (Sio2) in Shelman area near to Peshawar in KPK district, of Pakistan. We sells silica Quartz to our Local buyers in Pakistan.The specification is 88.50 %+. we also can supply Calcium Carbonate high grade at reasonable price world wide.We at the moment are looking for the buyers from outside the Pakistan,In case you are interested to buy from us kindly contact me at. Para0321atyahoo.comOr Cell Number 0092-321-8931581