Company Introduction
Patent Certification
ISO 45001_Korean
ISO 45001_English
ISO 14001_Korean
ISO 14001_English
ISO 9001_Hangul
ISO 9001_English
Activated Carbon Extraction
Fine Dust Collector
Module replacement device
RO membrane filter replacement device
WONJUNGENG Co., Ltd. Venture Certificate
Waste Collection and Transport Permit
Reservoir Cleaning
Construction Business Registration (Mechanical Equipment Construction Business)
Construction Business Registration Certificate (Water Supply and Sewerage Facilities)
Innobiz Confirmation Certificate
Research and Development Department
Praise Award
