After India complained of China sending faulty testing kits, the Chinese embassy in Delhi cited statements issues by the two medical companies -- Guangzhou Wondfo Biotech and Zhuhai Livzon Diagnostics -- saying: "They both stressed that their Covid-19 antibody rapid test kits had obtained the certification from the National Medical Products Administration of China (NMPA)... have also been validated and approved by ICMR through National Institute of Virology (NIV), Pune and considered as satisfactory products."