Excellent Product Designation Certificate

Excellent Procurement Joint Trademark Designation

New Excellent Technology (NET) Certification for Disaster-Safety

Trial Purchase of Technology Development Products

KS Product Certificate (KTC19-0040)

Q-Mark Quality Certification Designation

High-Efficiency Certification — 80SWO3.7 2T3

KC Certificate (Centrifugal Pump)

KC Certificate (Booster Pump System)

Specialized Materials, Parts and Equipment Company Certificate

G-PASS Company Designation Certificate

ISO 9001 Certificate

ISO 14001 Certificate

ISO 45001 Certificate

Patent Certificate No. 10-1586614

Patent Certificate No. 10-1671957

Patent Certificate No. 10-1802714

Patent Certificate No. 10-2137881

Patent Certificate No. 10-2396155

Patent Certificate No. 10-1503478

Patent Certificate No. 10-2937008

Commendation 1 — Minister of SMEs and Startups

Commendation 2 — Korea Federation of SMEs

Commendation 3 — Administrator of the Public Procurement Service

Commendation 4 — Ministry of Trade, Industry and Resources