Our Company (Zho)CNTCA (ngtian (Tianjin) Certification Authority), abbreviated as CNTCA, is located in Hexi District, Tianjin City. It is a professional, fair, and authoritative third-party certification body approved by the China Certification and Accreditation Administration (CNCA). The company specializes in ISO9001 Quality Management Systems (including GB/T50430), ISO14001 Environmental Management Systems, ISO45001 Occupational Health and Safety Management Systems, and certification services. CNTCA boasts a team of qualified, proficient, diligent, disciplined, and responsible market developers, auditors, technical experts, and management staff, capable of meeting the management improvement needs of various industries and sectors. The company focuses on the professional development of auditors and the continuous development of new certification fields and products in its daily operations, aiming to take the "CNTCA Certification" brand from Tianjin to China and beyond.

We will earn your trust with professionalism and sincerity; ensure the fairness, effectiveness, and authority of our reviews through a professional standard and rigorous approach; we will adhere to professional ethics and industry regulations, focusing on service, striving for customer satisfaction, and seeking common development with our customers.

CNTCA strictly adheres to national laws and regulations, establishes and operates an effective management system in accordance with the requirements of recognized bodies, ensures the management and implementation of certification audits are conducted as per relevant documents, guarantees the quality of certification meets the requirements of the state, recognized bodies, and relevant standards, and accepts supervision by the national certification and accreditation regulatory authorities, providing value-added certification services to society.