Tantech Holdings Ltd, together with its subsidiaries, develops and manufactures bamboo-based charcoal products for industrial energy, household cooking, heating, purification, agricultural, and cleaning applications in the People's Republic of China and internationally. The company operates in two segments: Consumer Products and Electric Vehicle. It provides pressed and formed charcoal briquettes for use in grills, incense burners, and other applications under the Algold brand. The company also offers Charcoal Doctor branded products, such as air purifiers and humidifiers, automotive accessories for air purification, underfloor humidity control products, 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 provides bamboo vinegar, a liquid byproduct for use in disinfectants, detergents, lotions, specialized soaps, toilet cleaners, and fertilizers, as well as in various agricultural applications; and trades in charcoal products. Further, the company develops and sells electric buses, electric logistics cars, and specialty electric vehicles, such as brushless cleaning cars, electric cleaning cars, special emergency vehicles, and funeral cars; and solar cells, lithium-ion batteries, auto parts, and electric control systems. It is also involved in the supply chain business. The company was founded in 2001 and is headquartered in Lishui, the People's Republic of China.