... ,C5 and C5 needs be special adjusted5.Material: GCr15 (ID<100 mm), GCr15 SiMn (ID>100 mm), Stainless steel6.Packing: Tube, Wooden Box, Carton ... .Payment: T/T 30% in advance, 70 % after copy of B/L, L/C is available8.Advantages: Good quality, Competitive price ...