Tantech 

Tantech Holdings Ltd manufactures bamboo charcoal-based products. The company, through its subsidiaries, is engaged in the production and distribution of household products along with a trading business, which involves the export of charcoal products. It also manufactures electric double-layer capacitors carbon materials and low-emission barbecue charcoal. Its product portfolio includes air purifiers and humidifiers, underfloor humidity control, pillows and mattresses, wardrobe deodorizers, mousepads, and wrist mats, refrigerator deodorant, and charcoal toilet cleaner disks.