dear sir, we are manufacturer and supplier of following items : 1- ) road salt (lake salt ( 97 – 99 % nacl ), : 90.000mt per month. 2- ) raw natural gypsum : 60.000 mt per month, without packing, bulk cargo shipment. 3- ) natural zeolite : ( used : agriculture ,additive for feed,water treatment, filter material for pool, horticulture,household products,aquaculture etc ) sizes : < 150 micron , 0 - 1 mm , 1 - 3 mm , 3 - 5 mm , 5 - 8 mm :10.000 mt per month 4- )travertine & marble : (tufa travertine,petrus travertine,noce travertine efes marble for indoor and outdoor ) 20.000 m2 per month 5-) pumice stone ( basaltic pumice ) : lightweight aggregate for concrete and for blocks. products. more details : inamarble 6-) white pumice stone : washed & tumbled or not washed : . more details : inamarble