... into briquette 3.Easy to operate and widely accepted cotton stalks briquette charcoal machine 1. the prospect :Charcoal / Biomass Briquette investment ... make briquettes Such as maize stalks, soybean stalks, broomcorn stalks, cotton stalks, rape stalks, peanut plants, sunflower stalks, bamboo sawdust, ... diameter is about 3-5mm)2. Dry the material by machine or dried it in the sun , till the moisture is ...