Dha Ying Machinery Co., Ltd. was established in 1971, and is a professional manufacturer in various pressure gauges. We are one of leading pressure gauge manufactures in Taiwan and are enjoying an excellent reputation through thirty years experience. We are sure that you will be quite satisfied with our services and the excellent qualities of our goods. We have also been producing large and continuous OEM & ODM orders from many major reputed brands worldwide, with full support and encouragement, we always been putting in our best effort to make sure that our customers get the best products, prices and most of all after sales service.