Hwa Chih Technology was founded in 1999. We are the expert at manufacturing various pressure gauges and thermometers. The main concept of service, technology, quality and innovation of Hwa Chih drives the company to a multi-national and worldwide views. Hwa Chih Technology constantly creates and develops various quality products to fulfill in clients needs in the world. The double-side liquid filled pressure gauge as well as double-side stainless liquid filled pressure gauge & double-side diaphragm pressure gauge have won the world patent. We thank you for every customers' support and hope we have chance to cooperate with you in the coming future.