The coupling material 93.17*16.5mm P110
Promulgator
：liyu Time：2018-05-31
The coupling material 93.17*16.5mm P110
The coupling material 93.17*16.5mm P110
Seamless casing coupling material 153.67*14mm P110
Seamless casing coupling material 269.88*21mm N80
Seamless casing coupling material 298.45*20mm J55
Seamless casing coupling material 153.67*14mm N80
Seamless casing coupling material 269.88*21mm J55
