a). We buy in huge volumes the USED COOKING OILS、 (Pure or Mixed Vegetable Oils) to be used as raw material for BIODIESEL. b). Please quote FOB Main China Ports c). Include in your offer the Full specifications and the Certificate Of Analysis issued by SGS or equivalent 3rd-party agency. d). Payment by LC @ Sight 100% ONLY...; Nothing by Advance TT payments. If you require any DEPOSIT OR DOWNPAYMENT we will DEFINITELY NOT ENTERTAIN YOUR OFFER.. Please do not waste time at all.