2020
6
ISO 45001:2018 recognized
4
ISO 9001:2015 accreditation
4
ISO 14001:2015 recognized
2
Registration of scaffolding and structure dismantling construction business
2
Gas facility industry type 1 registration
2016
8
Recognized as a research and development department
4
Registered a patent on sludge recycling system and recycling method
1
Sludge drying method and device patent registration
1
Registered a patent for the heating device of the hot air blower
1
Registered a patent for sewage sludge pellets for alternative fuel and its manufacturing method
