南通市东大电子有限公司公司欢迎您！

The company has passed the certification by ISO9001 Quality Management System ertificate, China(CQC)、England(UKAS)、 UR of America and Canada 、Genmany(VDE)、Norway(Nemko)、Finland(Fimko)、Switzerland(Semko)、Denmark(Demko )and Sweden(ESTI ) attestation.