16/30, 20/40, 30/50, 40/70 mesh are available ceramic proppant 1. Features:high fracture conductivity.high crush resistance.API & SPE Authentication.16/30, 20/40, 30/50, 40/70 mesh are available. 2. Advantage:Chinese government holding the largest exporter.More than 20 years experiance of proppant market.Different price range suit for different market.High quality and reasonable price.3. ...