Company Introduction Dadsun Corporation Ltd. was established in 1976. The company originally started as a full line manufacturer and distributor of plastic products. Later our company was introduced by Taiwan International Trade Association to meet many international respiratory therapy companies. As a result we transformed to engage in the medical care equipment field, specializing in developing, manufacturing, and distributing high quality respiratory therapy products. Our products are 510k certified and comply with good manufacturing practice of the U.S. Food and Drug Administration. In order to sell our products to European countries, we have ISO 13485, EN-441, ISO 14971, EN-980, EN-10..