To purchase the Air Ion Counter in China and Hong Kong, please contact

Shanghai Yiren EnviroProtection Scientific & Technological Development  Co., LTD.(YREP), China.

No.2201 Building 7, Pudong dadao No.2567, Shanghai, China

Zipcode 200136

Tel: 021-5034-3348

Fax: 021-5034-3349

Cellphone: 13817692448

E-mail: yiren@shyrep.com

Website: www.shyrep.com

Contact: Zhiwei, Yu.