GUANGZHOU SINO PATENT & TRADEMARK AGENT CO., LTD.

SINO established in 1985, is one of the earliest IP agent in China, to be accompanied by the first Chinese Patent Act in the same year. SINO was owned by government from 1985 to 2001, and then it became a private IP firm after 2001. SINO headquarters locate in Guangzhou (GZ) city which is capital of Guangdong (GD) province, and has setup 9 offices around GD province.