Hi Mr. Chen Guoxing, I would like to sell non explosive demolition agent in Mexico. Could you send me your best price of non explosive demolition agent FOB in Port Manzanillo Mexico. Firstable I would like to see how to work your non explosive demolition agent, that´s why, How much do I have to pay you if you send me 150 kg. of non explosive demolition agent? best Regards. Fredy Gonzalez Metepec, Mexico