Two drug-peddling brothers have been jailed after officers discovered a sophisticated cocaine ring operating in Rochdale.Sulman Khan, 26, and Zafran Khan, 24, convinced a drug user to allow them to use her home as a base for their ‘business’, cooking and bagging up the class A drug before selling it on through burner phones.Sulman, of Rochdale, also involved his girlfriend at the time, Dana Pickering-Raczycki, aged 20, Minshull Street Crown Court heard.She helped bag up the drugs, she took