2019

Relocated Seoul office, established Cheonan factory and applied patent for replacement

method of collecting plate and discharge electrode on industrial electric dust collector

2018

Applied patent for inner tank lifting device in LNG storage tank

2017

Registered as first class for gas facility construction business

2016

Relocated headquarter

Registered scaffold and structure dismantle construction business, painting construction business

2015

Listed on the KONEX market

2012

Registered engineering business

2011

Changed company name as NSCompany Co., Ltd.

Merged Seil Industrial Co., Ltd. and Seohae Plant Co., Ltd.

2009

Applied patent for cryogenic light distribution cold conservation construction

Registered as professional company for new renewable energy

2007

Registered steel structure business

2006

Acquired ISO 14001 and TS 16949

2004

Registered professional firefighting facility construction business

2003

Registered electric construction work

1996

Acquired ISO 9001

1994

Registered metal structure / windows and doors construction business

registered machinery facility construction business – established Seohae Plant Co., Ltd.

1961

Incorporation of going business for Seil Industrial Co., Ltd.