(0086) 755 8611
In 2009, Shenzhen Zhongzheng Tongda Testing Technology Co., Ltd. was established.
In 2011, Shenzhen Zhongfazhongzhongtong Testing Technology Co., Ltd. was established, located in Yangtian Building.
In 2012, Shenzhen Zhongtong General Testing Technology Co., Ltd. obtained the relevant authorization qualifications of CNAS accreditation qualifications such as UL, CEC and FCC.
In 2013, Guanlan EMC Lab was officially put into use.
In 2014, EMC test capability and battery test capability expanded to CNAS's accreditation
In 2015, we obtained CMA accreditation and established good cooperative relations with many international testing and certification institutions.
In 2016, the overall image of the company was transformed and upgraded, and the company moved to the Guanlan High-tech Industrial Park.
In 2017, we obtained the A2LA accreditation qualification and CBTL accreditation qualification, and established Suzhou Zhongtong General Testing Technology Co., Ltd.
In 2018, the SAR testing capability was expanded to the A2LA accreditation scope, and the company's overall image was upgraded twice.