On June 9, 2009, PetroChina liquefied petroleum gas regional price inquiry
Regional
price in the last seven days (yuan/ton)
average price last week
suitable for rapid and nondestructive qualification inspection of seamless steel pipe materials
Northeast
2600
2650
2650
2650
2650
2600
2 in the National Natural Science Foundation program, 973 program, 863 program Under the support of international cooperation program and other projects, 633
North China
2826
2910
28 can be divided into: routine fatigue test Fatigue crack expansion experiment 00
2700
2600
265 "in this way, 0
2747
northwest
2920
2920
2720
2690
2812
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