History

1975 Established TanHou Engineering Co., Ltd providing Air-Condition System Planning
and Installation.

1996 Installed the first Exhaust System at UMC FAB 8B.

1997 Established HuengLuei Process Industrial Co., Ltd in Hsinchu.

1998 Acquired ISO 9000.

2000 Acquired FM4922 Approved
(H.L. is the 5th company worldwide to obtain the approval of FM 4922).

2001 Established Tanhou(Shanghai) Semiconductor Process Industrial Co., Ltd
in Shanghai (China).

2002 Established Hueng Luei Co Pte Ltd., in Singapore.

2015 Huengluei business integrated with TaiSheng.

2017 Shanghai factory moved to Jiashan