BQ NQ HQ PQ NRQ HRQ PHD NTW HTW
RoHS, BS, DIN, JIS, AISI, API
0.5m,1.5m,2m,3m,4.5m,6m
Oil Mining, Coal Mining, Well Drilling, Ore Mining
Carbon Steel
for Mining
JS
Iron Bundle
3100*520*520mm
China
7304512000
