certificate
Contact
YDK Industrial Dvpt. Co., Ltd.
Tel: +86-755-25150175 25152883
Fax: +86-755-25152800
YDK Marine Service Co., Ltd.
Tel: +86-755-28411236 89371956
Fax: +86-755-85223483
E-mail：ydk@yudingkang.com
lskscps@163.com
QQ： 2319787991
Website：www.yudingkang.com
Shenzhen Green Industry Association 
Demonstration Units of Distribution Service 
Shenzhen Green Industry Association Member 
Shenzhen Green Industry Association 
ISO 9001:2008 
ISO 14001:2004 
ISO 22000:2005 
HACCP 
OHSAS 18001:2007