美國證券交易委員會文件

Hong Kong Head Office

FLAT B5, 25/F, TML TOWER NO. 3 HOI SHING ROAD, TSUEN WAN NEW TERRITORIES

Switchboard telephone：(852) 3705 9022

Sales Hotline：(852) 6341 9977

Email：Eric@1ecst.ltd

Fax：(852) 2428 3683

Shenzhen Office

2nd Floor, Building 4, Zijing Innovation and Entrepreneurship Park, Dalang Street, Longhua New District, Shenzhen, Guangdong Province

Switchboard telephone：(0755) 2101 0259

Sales Hotline：(86) 13560771068

Email：eric@1ecst.ltd

Fax：(0755) 21010426

Foshan Office

Address: shop 275-276, urban classic Plaza, Jun'an Town, Shunde District, Foshan City, Guangdong Province