tel: +86 (755) 23990298

email: Customer-service@jttsz.com

address: 406, FLOOR 4, BUILDING E, YANGJI COMMERCIAL SQUARE, YITIAN ROAD, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG, CHINA

tel: +86 (755) 23990298

email: Customer-service@jttsz.com

address: C702, Heheng Square Center, Yantian District, Shenzhen City, Guangdong Province, China

tel: +86 (20) 8351 5226

email: customer-service@jttsz.com

address: Room 1501, JinAn Building, No.300, DongfengZhong Road, Yuexiu District, Guangzhou City, Guangdong Province, China