2021
03
Established a demonstration laboratory as the second laboratory in the water industry cluster
2020
06
Designated as G-PASS company by Public Procurement Service
07
Registered as a water industry equipment supplier from K-water
08
Acquired hygiene safety standard certificate ‶ Wafer type rubber butterfly valves”
2019
01
Acquisition of Certificate of Conformity for Water Supply(Gate & Butterfly valves) from KWWA
07
Patent registration ‶Aggregating device″
10
Registered 2 patents ‶Manhole device for valve room”
2017
03
Acquired Korean Industrial Standard Certificate “Butterfly valves”
04
Registered as a female company(Daegu Gyeongbuk Regional Small and Medium Business Administration),
Acquired Hygiene and Safety Standards Certificate(Ball, Check & Gate valves)
08
Acquisition of Certificate of Conformity for water supply “Ball valves, Expansion pipe joints, bellows type”
09
Acquired Hygiene Safety Standard Certificate(KC) “Butterfly valves”
10
Acquisition of Certificate of Conformity for water supply(Swing check valves)
12
Patent registration ‶Movable butterfly valve″, Establishment of a company-affiliated research center
2016
03
Acquired quality management system certificate(ISO 9001)
04
Acquisition of direct production verification certificate(valve, etc.)
08
Recognized as a R&D department
09
Changed business representative(Sunae Kim → Sunae Kim and Seonghyun Oh)
10
Registered as a venture company
12
Acquired Hygiene Safety Standard Certificate,(Expansion pipe joints & bellows type) / patent registration
2015
11
Established HYUN SEUNG MACH.
