Guangdong VTR Bio-Tech (SHE:300381) will redeem 665.0 million yuan worth of convertible bonds upon its maturity on Dec. 20, according to a Shenzhen Stock Exchange disclosure on Monday.

The Chinese biotechnology company will redeem all unconverted convertible corporate bonds at a price of 110% of the bond's face value, including interest.

The six-year bond was issued on Dec. 20, 2018, the disclosure said.

The company's shares closed more than 6% lower.