tel:13552908350
address:天津市武清开发区泉发路23号
e(r)nicr-3
gr.2/tr340c
gr.5/ti-6al-4v
gr.7/gr.11
n06022/c-22
n08020/alloy20
n06600/alloy600
n08800/alloy800
n08810/alloy800h
