Kwan-Kwang Co., Ltd is committed to
satisfying customers' needs through reliable product quality.

Established in 1993, Kwan-Kwang Co., Ltd is a hydraulic coupler manufacturer taking the lead of
domestic hydraulic coupler industry based on the accumulated know-how and technical power in manufacturing
hydraulic couplers for a long period of time.

History

1993	Foundation of Kwan-Kwang Precision
2001	Patent for the hydraulic coupler registered in Korea (Patent No. 0315979)
2001	Mass production and delivery – Daedong Industry Co., Ltd
2002	Patent for the hydraulic coupler opening gate registered in Korea (Patent No. 0331040)
2003	Mass production and delivery – Dongyang Trading Co., Ltd
2005	Patent for the gas infuser&hydraulic coupler registered in Korea (Patent No. 492926)
2011	Mass production and delivery - LS Mtron Co., Ltd
2012	Incorporated as Kwan-Kwang Co., Ltd