Cathay is a high-tech enterprise specializing in synthetic biology, biomaterial research and bio-manufacturing on a commercial scale. Cathay possesses a number of technologies on long chain dibasic acids (DC10~DC18), bio-based pentamethylenediamine (DN5) and polyamides (PA56~PA5X). Over the years, Cathay has continuously improved the industrialization technologies for long-chain dibasic acids. It is recognized across the globe as a reliable supplier. Cathay has also developed and implemented the revolutionary technology to make bio-based DN5 from renewable raw materials and bio-based polyamides with superior dyeing and flame retardant properties, which are applicable to textile and engineering plastics industries.