What are the inspection and testing institutions for electronic cigarettes? Dezewei Testing is a comprehensive testing organization with technical services, which was established in 2005 and has relevant qualifications for electronic cigarette testing. DeZewei follows the quality policy of "scientific, fair, accurate and efficient", follows international norms and practices as well as national laws and regulations, carries out its work under strict procedures, holds a scientific and fair attitude towards all clients, adheres to the principle of confidentiality, and provides high-quality and efficient services to all sectors of society. Up to now, DeZewei has successfully passed CNAS, CMA, CPSC and national high-tech enterprises.


DeZewei adheres to the service tenet of professionalism, authority, foresight and high-end, and is committed to providing professional, high-quality and efficient consulting services for customers. According to the actual situation and needs of customers, accurately customize the consultation scheme to provide one-to-one efficient consultation for customers. Set up Shenzhen headquarters, Dongguan, Wuxi, Wuhan, Shanghai, Chengdu, Xiamen and other business liaison offices. It is a high-quality service team with doctoral research and development personnel.

DeZewei DTi is a third-party testing agency for electronic cigarettes in China. As early as 2005, it launched a one-stop solution for electronic cigarette testing and certification by setting up relevant testing projects, and passed the on-site CNAS technical review by the evaluation team appointed by the China National Accreditation Commission for Conformity Assessment. Including nicotine, propylene glycol, glycerin, nitrosamine, diethylene glycol, phthalate, 2,3-butanedione, total lead, soluble heavy metals and other detection items. Dezeway DTi detection is the leading position in the electronic smoke detection technology in China.

DeZewei testing qualification

Quality inspection standard for electronic cigarette

1.GB4706.1;

2. SN/T import and export atomizer atomization liquid inspection procedures;

3. T/CECC-1-2017 General specification for atomizer atomization appliance products;

4. T/CECC 2-2017 Specification for atomizer atomizing liquid;

5. YC/T559-2018 Determination of alkaloids, the characteristic components of tobacco, gas chromatography-mass spectrometry and gas chromatography-tandem mass spectrometry;

6. YC/T560-2018 Determination of hydrogen stable isotope ratio in nicotine, a characteristic component of tobacco by gas chromatography-stable isotope ratio mass spectrometry;

7. YC/T561-2018 Determination of the ratio of nicotine optical isomers, a characteristic component of tobacco, by high performance liquid chromatography and ultra-high performance liquid chromatography-tandem mass spectrometry.