DD vs TANH

DuPont de Nemours Inc.

DuPont de Nemours, Inc. provides technology-based materials, ingredients, and solutions in the United States, Canada, the Asia Pacific, Latin America, Europe, the Middle East, and Africa. The company's Electronics & Imaging segment supplies materials to manufacture photovoltaics and solar cells; materials and printing systems to the advanced printing industry; and materials and solutions for the fabrication of semiconductors and integrated circuits addressing front-end and back-end of the manufacturing process. This segment also provides semiconductor and advanced packaging materials; dielectric and metallization solutions for chip packaging; and silicones for light emitting diode packaging and semiconductor applications; permanent and process chemistries for the fabrication of printed circuit boards to include laminates and substrates, electroless, and electrolytic metallization solutions, as well as patterning solutions, and materials and metallization processes for metal finishing, decorative, and industrial applications. In addition, it offers various materials to manufacture rigid and flexible displays for liquid crystal displays, advanced-matrix organic light emitting diode, and quantum dot applications. The Transportation & Advanced Polymers segment provides engineering resins, adhesives, silicones, lubricants, and parts to engineers and designers in the transportation, electronics, healthcare, industrial, and consumer end-markets. Its Safety & Construction segment provides engineered products and integrated systems for worker safety, water purification and separation, aerospace, energy, medical packaging, and building materials. The company was formerly known as DowDuPont Inc. and changed its name to DuPont de Nemours, Inc. in June 2019. DuPont de Nemours, Inc. is based in Wilmington, Delaware.

Tantech Holdings Ltd.

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 three segments: Consumer Products, Trading, 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. Tantech Holdings Ltd was founded in 2001 and is headquartered in Lishui, the People's Republic of China.