The CAS today was in Nyeri county to open the 2nd Africa Tea Science symposium exhibition. He was joined by the Governor Nyeri Mr. Kahiga. In his speech he said that the tea sub sector continues to grow at a rate of 5-7% yearly. In 2017 the sector earned a record kshs 129 billion from exports up from kshs 120 billion the previous year. He urged the farmers to take advantage of the symposium to learn and to embrace value addition in order to maximize on profits.