Solkiln method 90 + company patent technology special treatment method 90 + boutique coffee

Last updated 2026-09-30 — Solkiln: the so-called Solkiln method is a special treatment of 90 + company's patented technology. They dry the fresh coffee fruit in a house originally used to dry wood. In this house, special equipment is used to control the temperature and humidity needed to maintain the stability of the internal environment, while eliminating the impact of the local humid climate on the coffee.