ince the co***ny established, we insist on good quality, passed the ISO9001:2000 quality assurance system certification in 2008, making the business range extend continually.Our mine wedge wire screen Diameter 1.5Ħħ-35Ħħ,min slot 0.05mm(+0.02mm), max length6.5m, At present we have been marketing our products inland to USA, English,Russia Algeria,France,Philippine,Poland ,Vietnam ,Indonesia ,Middle East market ,etc....