Certificate of preferential purchasing recommendation of good invention Wave-reissued

K-Mark PB12021-074 waterway type

Certificate of Designating Innovative prototype NO. 2021-214

Certificate of Designating Innovative prototype NO. 2021-197

CE certification-water purification apparatus

Excellent Performance Certification NO.
20-GAO0041 Rotational filter by Ministry of SMEs and Startups

Excellent Performance Certification NO.
20-GAZ0042 by Ministry of SMEs and Startups

2017066 Excellent product certification by Public Procurement Service 2017066

Excellent product certification by Public Procurement Service for confirmation 2020141

Excellent product certification by Public Procurement Service 2020141