????? ????
sandy tan
??18261168660
??18261168660
PTC ???? ?? ?? ??? P-4500
- ???: Minerals & Metallurgy/Nickel
- ?? ??:
- ???: P-4500,P-4000,P-3800,P-3500,P-3000,P-2500
- ??:
??: 25
?? ?? Cr20Ni80 ?? ?? ???
- ???: Minerals & Metallurgy/Nickel
- ?? ??:
- ???: Cr20Ni80,Cr30Ni70,Cr15Ni60,Cr20Ni35,Cr20Ni30,Cr25N
- ??:
??: 30