The prototype of self-priming pump was manufactured in 1989. We keep going in research and development. Now Chuan Yi pump is a leading pump brand and market share in Taiwan. Every year we invest appreciable expense in R&D. Our engineering staff utilizes the most up to date computer assisted drafting to help design and engineering from routine application to large scale of highly complex pump and piping system. We have obtained various patents and certificates. Meanwhile, we introduce precise components and technology to upgrade our level by means of cooperation with overseas pump manufacturer. CHUAN YI has been growing steadily, besides provides service for domestic customers, and also we are marketing actively for export in Southeast Asia, the Middle East, Asia and Europe, etc.