In the second half year of 2005, JAC bus promoted the upgrade product of A90, named HK6893K. The new product on the basement of A90 technology and made big innovation.

Since the promotion of HK6893KM many domestic transportation companies expressed their welcome. HK6893K is a perfect unification of advanced technology and fashion element, also a overfly for JAC Auto Company.

The design for the new product concerned much on reduce wind resistance coefficient, made sure the image of "economy". The oil consume of HK6893K saves 2 liters oil compared with Hyundai original bus for hundred kilometers.

On January of 2006, Shandong Transport Company ordered HK6893K in big quantity, they expressed confidence for the new product's market perfomance.