Here attached the quotes for parts for your review. To be candid with you, it is the basic price, and will be fluctuated due to the different quantity.
 
NAME TYPE WEIGHT          PRICE
DELIVERY PIPE SK 125/5 1/2''*3000(4.5MM THICKNESS)
FLANGE: 148MM
43KG FOB CHINA : 49USD/PCS 
ELBOW (PM TYPE) R275MM (90DGR) DN125 (5.5") MN13-4
COLOR: GREY 13BAR
15.7KG FOB CHINA : 28USD/PCS 
FORGED CLAMP DN125   FOB CHINA : 12USD/PCS 
ELBOW R275MM (45DGR) DN125 (5.5") MN13-4
COLOR: GREY 13BAR
7.5KG FOB CHINA : 17USD/PCS 
Note: The above quotes are time-sensitive