Because your shipment includes 02 different products, which are specified separately in QCVN 16:2019/BXD
Because according to the provisions of QCVN 16:2017/BXD and QCVN 16:2019/BXD, each type of product and goods has different technical criteria and quality requirements; At the same time, in order to create favorable conditions for the unit when there is a need to register for changes in information, it is not necessary to re-publish when there is any change in the features, uses and characteristics of the product. products and goods which have been declared conformity according to the provisions of Clause 8, Article 16 – Circular No. 28/2012/TT-BKHCN dated December 12, 2012 of the Ministry of Science and Technology.