Hi, we are focus on importing Nickel sludge, Copper sludge, Zinc dust all the time. Can you send me em -------------------max(AT)evergresource(dot)com With you detail information about your product Mr. Max hsu Mobile&WhatsApp:+8613209178645 Website:www.qc2016.com Email:max@evergresource.com Markhu3690@gmail.comQuantity:100-TonFrequency:MonthlyPort:Lat KrabangPayment Methods:T/TValidity:2-mRegards,markhu Show More