... PN25 Dimension: 16mm-160mm Standard: DIN8077/8078 1. PPR fittings :PPR COUPLINGPPR 90DEG ELBOWPPR 45DEG ELBOWPPR TEEPPR REDUCING COUPLINGPPR CAPPPR ... , discuss price , check sample quality2)Negotiation : talking about the sizes, quantity , and other details3)Ordering: settle down and ... machines then packed6)Delivery : everything gets ready ,place the ship, send to dock , to be shipped 5. Packing ...