KUOSI Instrument Co.

(ShangHai KuoSi Electronic Co., & Equipment factory)

No.302 Room, No.8 building, No.225 of XinSong  Road,

XinZhuang Town, ShangHai city,201100,CHINA

Tel: 86 - 21- 54420729 /51036076

Fax: 86 - 21 - 51036331 /51686350

E-mail:

ph-meter@live.cn

gxh31606@hotmail.com