On January 27, 2021, we have successfully added items SMP-1 and SMP-3 to CNPC product quality certification, further enriching the product system of the certification. So far, there are 49 kinds of products achieved the access of the certification.
On January 27, 2021, we have successfully added items SMP-1 and SMP-3 to CNPC product quality certification, further enriching the product system of the certification. So far, there are 49 kinds of products achieved the access of the certification.