Tantech Holdings Ltd. develops and manufactures bamboo-based charcoal products in the People's Republic of China and internationally. The company operates in three segments: Consumer Products, Biofuel Energy, and Trading. It produces pressed and formed charcoal briquettes for use in grills, incense burners, and other applications; and electric double-layer capacitor carbon products. The company also offers Charcoal Doctor branded solid products comprising air purifiers and humidifiers, automotive accessories for air purification, underfloor humidity control, pillows and mattresses, wardrobe deodorizers, mouse pads and wrist mats, refrigerator deodorants, charcoal toilet cleaner disks, liquid charcoal cleaners, shoe insoles, and decorative charcoal gifts. In addition, it engages in the industrial purchase and sale of charcoal. The company provides its products for industrial energy applications, as well as household cooking, heating, purification, sanitation, and agricultural uses. Tantech Holdings Ltd. was founded in 2001 and is headquartered in Lishui, the People's Republic of China.