Tel: 86 750 6290666

Fax: 86 750 6290333

E-mail: office@jns.net.cn

website: www.jns.net.cn

Guangzhou office:

Address: 1211 China Petroleum Hotel, 111 Jiangnan Road West, Guangzhou City 510240,Guangdong Province,China

Tel: 86 20 84242442

Fax: 86 20 84244554

E-mail: gzb@jns.net.cn