In May 2020, With technology innovation as the guide,Zhengbu successfully developed a brand-new magnesium alloy electric folding bike-- K6,that integrating fast & light & far.In K6,graphene lithium batteries is used as new energy,aviation grade light hard magnesium alloy is used as vehicle material,equipped with new fast charging technology,K6 only need 2 hours to fully charged,and the endurance distance is 200km.

On December the same year ,the cumulative sales of K6 on the whole network have exceeded 10,000 units,and successfully obtained CE certification.