Optics Technology's (SHE:300489) controlling shareholder, Foshan Yuebang Investment, pledged not to reduce its company holdings in the next twelve months, according to a Thursday disclosure.
The Chinese military fire control equipment maker's shares jumped 11% at the close of Friday's trade.
The company received a letter of commitment from Foshan Yuebang, which currently holds 41,288,000 shares, or 29.67% of the company's total shares.