China has bought the S-300PMU-1 and are licensed to manufacture it under the name Hongqi-10 (HQ-10). China is also the first customer of S-300PMU-2 and may be using the S-300V under the name Hongqi HQ-18. China also built an upgraded version of the HQ-10 labelled the HQ-15 with the maximum range upgraded from 150 km (93 mi) to 200 km (124 mi). There are unconfirmed reports that claim this version is the Chinese manufactured S-300PMU-2. The total number of the S-300PMU/1/2 and HQ-15/18 batteries in PLA are approximately 40 and 60 respectively, in the year 2008. The total number of the missiles is well above 1,600, with about 300 launcher platforms. Five such SAM battalions are deployed and in active duty around Beijing region, six battalions in Taiwan strait region and rest battalions in other major cities like Shanghai, Chengdu and Dalian. Two Rif (SA-N-6) systems were purchased in 2002 for the Chinese Navy for the Type 051C Destroyers.
After S-300 they now require S-400 to produce domestically [isn't that obvious]