制冷剂配额生产配额集中于巨化股份/三美股份/昊华科技/东岳集团/永和股份/东阳光，各家约28.1/11.7/10.2/7.6/5.5/4.8万吨，占比约38%/16%/14%/10%/7%/6%，CR6达91%。