CBTL Guoce Testing Technology (Suzhou) Co., Ltd. CBTL Guoce Testing Technology (Suzhou) Co., Ltd. has been accepted to operate in the IECEE CB Scheme, under the responsibility of NCB SGS Testing & Control Services Singapore Pte Ltd. New standards in IECEE System on 24/10/2023 The following standards have been added to the CB Scheme: MED IEC 60601-2-75:2017/AMD1:2023 New standards in IECEE System..