secondary units meaning in Chinese

二级单位

The natural gas department is the secondary unit of jianghan oilfield branch company of sinopec , now it is mostly supplying natural gas to many towns of eastern chongqing and western hubei
摘要天然气处是中国石油化工股份有限公司江汉油田分公司的二级单位，现主要向渝东鄂西多个县市供应天然气。
On the afternoon 15th january , “ chongqing municipal education committee sub - forum at cqupt division of chongqing china young talents forum 2007 ” was held in the 2nd international conference room . 12 young talents from colleges and secondary units gave suggestions frankly about the development of chongqing especially the education development
1月15日下午， “ 2007 ?中国重庆青年人才论坛市教委分论坛重庆邮电大学片区论坛”在第二国际会议厅举行，来自各学院和二级单位的12名青年才俊围绕重庆经济社会发展尤其是教育发展重大问题大胆建言献策。