The automatic winding filter purchased by an environmental protection company in Juancheng, Shandong Province has been signed.

The automatic winding filter purchased by an environmental protection company in Shandong Juancheng completed the signing project name: Fresh air treatment workshop of an environmental protection company in Juancheng, Shandong Province Signing date: April 15, 2021 The automatic winding filter contract includes: Equipment size 5025…