Sertifikat kita

7 paten, Guangdong Province Contract-abiding lan Trustworthy Enterprise, AAA-level Credit Enterprise, AAA-level Credit Enterprise, AAA-level Contract-abiding and Trustworthy Enterprise, AAA-level Quality Service Integrity Enterprise, AAA-level Integrity Management Demonstration Unit, Unit Kualitas lan Janji AAA, layanan AAA lan unit sing bisa dipercaya