Zhè jiā gōngsī de dǐngshèng shíqī yǐjīng guòqù le.
This company's heyday is already over.
Tips
memory
鼎 is the ancient three-legged bronze cauldron - symbol of state power and stability. 鼎盛 = 'cauldron-full' = at its fullest, most established peak. Pair with eras, dynasties, careers, or organizations.