1.Min. order:1pc 2.FOB price:USD100-150/PC 3.Supply ability:1000pcs per month 4.Payment terms:T/T,Western Union,Paypal,Escrow Geomembrane pressure detectorLST001 is one of testing tools in Lesite geomembrane welding machines series which is used for testing the welding seam quality.Working principles:pumping 0.2-0.3Mpa air into the cavity,after five minutes,if the pointer doesn't move which means ...