Shenzhen Huantong (HTT) is a professional testing and certification consulting company with many years of experience in product testing and certification. It is one of the earliest third-party professional testing laboratories engaged in import and export commodity testing, technical consulting and product certification consulting in China. Since its inception, the company has sincerely helped customers to meet the constantly updated requirements of international standards. It has been recognized by the majority of customers and has a certain reputation and reputation in the industry.

The company was established strictly in accordance with the requirements of ISO/IEC 17025. It  has been authorized by many international authoritative testing institutions. These include UL, ETL, FCC, CEC, TIMCO, SIEMIC, EMCC, BV

PHOENIX, etc. We uphold the principles of science, justice, accuracy and rigor, relying on sophisticated testing equipment and highly experienced testing and Countermeasures engineers. Provide professional and high-quality testing and certification services for tens of millions of enterprises.