Kudziwa kwa CBS

China National Standard of Cbs yosungirako ndi 6months {1}

Patentha kwambiri komanso chinyezi m'chilimwe kapena nthawi yayitali, ma cbs akuthyola mabts {{1}

Mankhwala a chromatography ayenera kusanthula masiku 90 kuti asungunuke oyera {{2}