Remarks:
DCP:Phosphating and chromium plating on jacket only
SF:Inner diameter is Semi-finished for dry type liner
DC:water jacket only is chromium plated
IN WHITE:Without any special surface treatment
DPF:water jacket only is phosphated
DCU:outer diameter is copper plated for dry type liner
BCP:phosphating and inner diameter is chromium
PF:phosphated all over
FF:Inner diameter is Full-finished for dry type liner