Ningbo Runhe High-Tech Materials (SHE:300727) received the China Securities Regulatory Commission's (CSRC) approval to issue 370 million yuan worth of convertible corporate bonds to existing shareholders, according to a filing with the China bourse on Tuesday.

The offering comprises 3.7 million bonds with a face value of 100 yuan each and a six-year term from Sept. 10, 2026, to Sept. 9, 2032, the filing said.

The annual coupon rates range from 0.20% in the first year to 2.50% in the sixth year, with interest paid annually, it said.