Ever since Cangjia received an order of chaga mushroom extract from a famous American customer ten years ago, Cangjia has been continuously investing its efforts to obtain high quality and stable supply of chaga mushroom raw materials, continuously developing and optimizing the production process to improve the potent of the chaga mushroom extracts, and adopting unique technology to remove various potentially harmful substances such as pesticide residues and heavy metal residues.Currently, Cangjia produces more than 40 tons of chaga mushroom extract series annually.