503, Block A, Singularity Center, Shahe Town, Changping District, Beijing, China, 102206

  +86(10)-80709022-602

btt@qhyccd.com
North America, Oceania and parts of Europe (Italy, France, Denmark and the Czech Republic) 

lqy@qhyccd.com
Asia, South America and parts of Europe (Germany, UK, Spain, Netherlands, Portugal, Belgium, Greece, Switzerland)

sales@qhyccd.com