Dongguan Dingtong Precision Metal (SHA:688668) posted first-half attributable net profit of 183.8 million yuan, up 59% from 115.4 million yuan the previous year.
Earnings per share rose to 1.32 yuan from 0.83 yuan, according to a Wednesday filing with the Shanghai bourse.
Operating revenue climbed 31% year over year to 1.03 billion yuan from 784.6 million yuan.
Shares of the communication connector manufacturer climbed 4% in recent trade.