Dear Sir/Madam, Our company is looking for zinc sulphide ore(sphalerite,ZnS) suppliers all over the world,mainly from Africa and Asia,the requirements are:Zn content 30% min,S(sulphur) 16% min,moisture 6% max.,trial shippment for 100-500MT,payment:CIF or CNF Xiamen,by L/C.If you have such products,please contact me for deeper communication. Best Regards, May Wu Show More