Copyright ? 2022 Copyright Kunming Polytechnic Hengda Technology Co., Ltd
Yunnan ICP preparationNo.19072970 - 1
Yunnan public network securityNo.53011202000059
技術(shù)支持：奧遠(yuǎn)科技
After the consolidated report of the 2018 annual report is corrected, see the annex for details.
Copyright ? 2022 Copyright Kunming Polytechnic Hengda Technology Co., Ltd
Yunnan ICP preparationNo.19072970 - 1
Yunnan public network securityNo.53011202000059