Yunnan Titanium Industry Co,China ,
QuinghaiSupower Titanium Co,China
Advanced Material Japan Co,Japan
VSMPO-AVISMA Corporation ,Russia
Uralredmet, Russia
Chepetski Mechanical Works, Russia
Zaporozhie Titanium and Magnesium Plant,Ukraine
Ningbo Yuanda Chengli Sci-tech Co ,China
Jinzhou New Century Quartz (Group) Co ,China
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