CHINA OFFICE :
Grand Step (HK) Ltd
Yiheng South road, Chiling Industrial Area, Houjie Town, Dongguan City, Guangdong Province
CHINA - 523940 info@grandstep.com
+ 86-769 8308 0888
HONGKONG OFFICE :
Grand Step(HK) Ltd
Room No 807, Harbour Crystal Centre
100 Granville Road, TST East, Kowloon,
HONGKONG info@grandstep.com
+852 2368 8666
