Holstein Friesian my field varieties, Beijing Holstein cows, and other (dairy breeds are in line with GB-3157-82) of China black and white standards. 
 My field is a legitimate business, registered farms. Business license registration number: 1422223001396, animal epidemic prevention certificate: 2000516, my field agents responsible for quarantine, inspection tires, road, rail transport, there are special transport pull cattle cars, to ensure safety, such as the way cattle are killed, lost child I am responsible for the ox-drawn carts and other transport. 
 Tel: 13513501428 
 Contact: Zhang head of the farm 
 Website: http://dxfl88.com 
 E-mail: sxhxmyb@163.com 
 Business QQ: 436025307