Tel 010-56330744 18310155299
Email sales@labter.com.cn
Tel 0519-85528066 13775048983
Email sales@hopschem.com
Tel 021-80270511; 4006653949
Email fred.wen@crcorporation.cn
Tel 025-66110311 13155353615
Email qzhang@aikonchem.com
Tel 021-51816796-820 13611835272
Email sales2@sunwaypharm.com