sales：
shanghai chc expo co., ltd.
address: hq525 rm.a401 no.55 jin yu road, minhang district, shanghai, china201103
tel: +86 21 33231499
fax: +86 21 33231366
e-mail: overseas@chcbiz.com
media ：
shanghai chc expo co., ltd.
address: hq525 rm.a401 no.55 jin yu road, minhang district, shanghai, china201103
tel: +86 21 33231460
fax: +86 21 33231366
e-mail: marcom@watertechbj.com
conference：
shanghai chc expo co., ltd.
address: hq525 rm.a401 no.55 jin yu road, minhang district, shanghai, china201103
tel: +86 21 33231443
fax: +86 21 33231366
e-mail: forum@watertechbj.com
