Ying Tong Enterprise (HK) Ltd
Flat 13, 10F, Blk A, Hong Kong Industrial Centre, No. 489-491 Castle Peak Road, Kln, H.K.
Chang's Company Limited
Add:Yongfa Science and Technology Park, Gonghe Third Industrial Zone, Shajing, Baoan District, Shenzhen
pvd@yingtong.com.hk
Tel : +852 23324098
Tel : +86 755 27685353