欧美国产精品精品,日韩一区二区三区电影在线观看,午夜精品久久久久久久久,欧美日韩精品视频一区二区

1990
Guangzhou Jinzong Machinery Co., Ltd. was established

2009
Established an industry-university-research institute and college student employment practice base in cooperation with Guangdong University of Technology

2014
Purchased more than 17,000 square meters of industrial land in Zhaoqing High-tech Zone, Guangdong Jinzong was established

2016
Guangzhou Jinzong won the technology giant giant enterprise

2018
Guangzhou Jinzong was rated as a national high-tech enterprise