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OXF3000N 
hãng công ty chắc kiên quyết vững vàng 
firm
OXF3000N ổn định bình tĩnh vững vàng chuồng ngưa stable
OXF3000N vững chắc vững vàng kiến định steady
OXF3000N vững chắc vững vàng kiên định steadily
like: vững vàng → →
He's reached retiring age, but he's still firmly in control. ☊ be in control (of sth) ☊
The Irish team were solid as a rock in defence. ☊ solid ☊
You have to be firm, but at the same time you should try and be sympathetic. ☊ at the same time ☊