Shanghai Grossa Trading Co.,Ltd.
Room 1105 Building B No.7001 ZhongChun Road,Shanghai201101,P.R.C.      Tel：021-60932528
Fax：021-51685007
E-mail：service@grossa.com.cn
 

Guangzhou Office
Room 0718 Juntian Plaza,No.223 Helong Road, Baiyun District, Guangzhou 510400,P.R.C.
Tel：020-36920051  36534066
Fax：020-36920241
 

Beijing Office
Room 422, No.11 Jiuxianqiao Road, Chaoyang District, Beijing 100000,P.R.C.
Tel：010-64354478
Fax：010-64354479