1985 Mar.    Hong Kwang Electro Deposition Coating Co., Ltd was founded in Taiwan.

1986 May     The laboratory was established.

1988 Feb.     The wastewater treatment system was established.

1997 Mar.    Hong Yue Co., Ltd was founded in Taiwan.

2003 Mar.    Hong Kwang Electro Deposition Coating Co., Ltd and Hong Yue Co.,Ltd                                 merged into “HONG KWANG ELECTRODEPOSITION COATING                              CO.,LTD” and was separated as Changhua and Huatan factory in Taiwan.

2004 Sep.    HONG KWANG ELECTRODEPOSITION COATING CO., LTD was                             established  in Bangpoo Industrial Estate, Thailand.

2013 Oct.     HONG YU CHEMICAL (THAILAND) CO., LTD was established in                                Chonburi, Thailand.