elm e ceramic
elm e ceramic
dar mored e matalebe mojood dar in site dar rabete ba elme ceramic va mohandesi ye mavad bayad begam ke ettelaat besyar za eef hast va in jaye ta ammol dare chon mohandesie ceramic yeki az pishrafte tarin mohandesi ha mibashad elmi ke 70% SARMAYE GOZARI YE ELMI YE...