1968
Started to produce elevators and escalators in Korea

1978
Started to export under “Goldstar” trademark

1985
Started to produce gearless elevators (DC control)

1987
Developed and produced VVVF controlled elevators (90, 105m/min)

1989
Installed new elevator test tower (114m, Changwon Factory)

1992
Acquired ISO 9001 Certificate

1993
Produced high-speed VVVF controlled Elevators (Up to 420m/min)

1994
Changed name to “LG”

1996
Acquired ISO 14001 Certificate

1997
Established Dalian factory in China

1998
Produced 100,000 units elevators / escalators in Changwon factory

1999
Otis acquires LG elevator division

2000
New brand identity for all overseas/export markets - SIGMA

2006
Exported 50,000 units to 70 countries outside Korea

2007
Received Otis President’s Award for Growth Initiatives

2009
Awarded KOTRA (Korea Trade-Investment promotion Agency) Seal of Excellence

2012
Distributor convention to commemorate the 15th anniversary of the Dalian factory

2013
Launched IRIS NR elevator specially for Russia & CIS markets.
Launched IRIS 3 high-rise gearless elevator

2014
Distributor and customer convention in U.A.E.

Launched Solon NV roped machine roomless elevator

2015
EN81 certification for all roped products
Asan CLC opened in Asan, Korea

2016
Launch of MUSE Dynamic

2017
Launch of ACRATM & SOLON® Premium

2018
Transition from Dalian factory to Hangzhou factory

2019
Opening of Songdo R&D Center (OKMEC), Korea

2023
Launch of ACRATM2.0 & SOLON®2.0

Sigma Distributor Summit 2023 in Hangzhou