1、滤筒询比采购公告

https://www.qdygcg.com/web-portal/#/trade-info-detail?id=1527368059904126977¬iceType=1&publishStatus=1&systemStatus=false

青岛阳光采购平台：

https://srm.qdhw.com:9000/inquiryInformation?id=d714bcc92b944a5ba73933a1a1f3fe1c

2、阀门（分）询比采购公告

https://www.qdygcg.com/web-portal/#/trade-info-detail?id=1527366831119855616¬iceType=1&publishStatus=1&systemStatus=false

青岛阳光采购平台：
https://srm.qdhw.com:9000/inquiryInformation?id=5e1b14ab0b68481b9b1405b5764104f1