久久热偷拍自拍在线视频-中文字幕av丝袜久久久久久久久-欧洲成人高清av一区二区-91精品国产乱码久久久亮点

設(shè)計(jì)資質(zhì)工程設(shè)計(jì)單位環(huán)境工程甲級(jí)、市政行業(yè)乙級(jí)、工程咨詢單位乙級(jí)

建筑資質(zhì)環(huán)境工程專業(yè)承包壹級(jí)、市政總承包貳級(jí)、機(jī)電總承包壹級(jí)、機(jī)電安裝專業(yè)承包貳級(jí)、水利水電工程施工總承包貳級(jí)

運(yùn)營服務(wù)認(rèn)證城鎮(zhèn)集中式污水處理設(shè)施運(yùn)營服務(wù)一級(jí)、工業(yè)廢水處理設(shè)施運(yùn)營服務(wù)一級(jí)

Design Qualification:

Engineering certificate for environmental project grade 1 and municipal drainage project grade 2、project consulting certificate grade 2

Construction Qualification:

Contracting certificate of environmental protection project grade 1

General contracting certificate of municipal construction grade 2

General contracting certificate of mechanical & electrical engineering grade 1

Contracting certificate of mechanical & electrical equipment installation for construction grade 2

General contracting certificate of water conservancy and hydropower project grade 2

Operational Services Certification:

Urban centralized sewage treatment facilities operation service level I

Industrial wastewater treatment facilities operation service level I