We are the largest independent cloud service provider in China, according to Frost & Sullivan, a third-party industry research firm commissioned by us. We have built a comprehensive and reliable cloud platform consisting of extensive cloud infrastructure, cutting-edge cloud products and well-architected industry-specific solutions across public cloud, enterprise cloud and AIoT cloud services, based on which we have achieved a leading position in the cloud market in China. We are the third largest internet cloud service provider in China with a market share of 5.4% in terms of revenue from Infrastructure as a Service, or IaaS, and Platform as a Service, or PaaS, public cloud services in 2019, according to Frost & Sullivan. We have inherited the "enterprise service DNA" from Kingsoft Group, the widely trusted leading software franchise in China, and have established superior enterprise service capabilities. Benefiting from Kingsoft Group’s over 30 years of experience in providing enterprise services, we value each customer and provide best-in-class customer services covering their entire life-cycle. The total number of our Premium Customers increased from 113 in 2017 to 154 in 2018, and further to 243 in 2019. In 2018 and 2019, our net dollar retention rate of Public Cloud Service Premium Customers was 161% and 155%, respectively.