山西羽佳恒实业有限公司
Exhibit Profile：
Non-magnetic steel, non-magnetic drill tools for directional drilling applications, non-magnetic drilling tools for mining industry, with OD size ranging from 50mm to 230mm.
Non-magnetic steel, non-magnetic drill tools for directional drilling applications, non-magnetic drilling tools for mining industry, with OD size ranging from 50mm to 230mm.
Website：www.yj-heng.com