Koss Corporation
Banghua International Granulation Engineering Co.,Ltd.
Add: 30th floor, Haixin Tianchen Center B, No.299, Tianchen Road, Gaoxin District, Jinan, China
Tel :86-0531-88876687
Fax :86-0531-8887 0667
E-mail : banghua@ca-bh.com cnbanghua@ca-bh.com