Since 1988 Chuen Charng we have manufactured PRESSURE GAUGE , THERMOMETER , STEEL BALL . Being a leading and expert manufacturer in Taiwan and China under Japan high tech know-how and Taiwan strict management organization. In light of these impeccable merits, we have come into reliable reputation and prominence in the industry. For years our market share has been successful in USA, Asia & Europe. We always know our stable quality is the key way to win more continuous, patronage . Providing high quality product, attractive price and prompt delivery are our goal. Expect to bring impressed satisfactory and establish long-term relation with you to create more mutual benefits.