生产定制金属变径环缩径环扩径环


PG42-PG29
PG42
PG29
14
14
60
10


PG42-PG36
PG42
PG36
14
14
60
10


PG48-PG36
PG48
PG36
14
14
64
5


PG48-PG42
PG48
PG42
14
14