ADD: Hi-tech Developmentdistrict,HongXi,XianJu County,Zhejiang
TEL：0086-576-87071888 87071887 87071885 87071799
FAX：0086-576-87071613 P.C：317312
E-mail：zjyy@mail.tzptt.zj.cn



ADD：No.2080 #50 E unit 10 floor(east) lianhua road shanghai
TEL：021-64062195 64062196 64069608 64069609
FAX：021-64062199 64069607 P.C：200233
E-mail：yydz_sh@163.com shyiyuan@163.com



ADD：No.D-18A lilinchunxiao nanshan road shengzhen
TEL：0086-755-26477581 26477681 26477781
FAX：0086-755-26477981 P.C：518052
E-mail：szyiyuan@21cn.com



ADD：No.89 Zhongguancun road Hengxing Edifice 15G Haiding District Beijing
TEL：0086-10-62566828 82612270
FAX：0086-10-82611790 P.C：100086
Emil：bjyiyuan@sohu.com


Suzhou branch

ADD：No.209 Zhuyuan road,Gaoxin zone,Suzhou,China
TEL：0086-512-88169985 88169986 88169987
FAX：0086-512-88169938
Zip:215000

Hangzhou branch

ADD：No.80 Gucui road,Hangzhou,China
TEL:0086-571-87672655 87672656 8772658
FAX:0086-571-87672660
Zip:310012