Dear Sir or Madam: Have a nice day.This is Camille from Wuhan Jiayi Fuye Imp And Exp Co.,Ltd.I got your information from the net and realized your company,our company produce Used Cooking Oil,also has Zinc /Lead/Tin/Antimony/Aluminium Ingot,Mercury.So whether your company need these materials.If you have any questions please don?t hesitate to contact me in your free time. Hoping to receive your reply.