U.S. Materials Nano Cap Stocks

Fuwei Films (Holdings)

Market Cap: US$27.1m

Fuwei Films (Holdings) Co., Ltd., through its subsidiaries, engages in the development, manufacture, and distribution of biaxially oriented polyethylene-terephthalate films in the People’s Republic of China.

Greystone Logistics

Market Cap: US$22.4m

Through its subsidiaries, manufactures and markets plastic pallets and pelletized recycled plastic resins in the United States.

Huadi International Group

Market Cap: US$19.8m

Through its subsidiaries, develops, manufactures, markets, and sells stainless steel seamless pipes, tubes, and bars in the People’s Republic of China.

Nocopi Technologies

Market Cap: US$16.6m

Develops and markets specialty reactive inks for applications in the educational and toy products, and document and product authentication industries in North America, South America, Europe, Asia, and Australia.

Premier Air Charter Holdings

Market Cap: US$12.6m

Operates chartered flights and manages leased aircraft.

Silver Bull Resources

Market Cap: US$9.7m

An exploration stage company, acquires, explores, and develops mineral properties in Mexico.

ReTo Eco-Solutions

Market Cap: US$5.3m

Focuses to design, research and development, manufactures, and sale of ecological environmental protection equipment and intelligent equipment in China and internationally.

Tantech Holdings

Market Cap: US$1.8m

Develops and manufactures bamboo-based charcoal products for industrial energy applications and household cooking, heating, purification, agricultural, and cleaning uses in the People’s Republic of China and internationally.

Plaintree Systems

Market Cap: US$710.9k

Designs, develops, manufactures, markets, and supports electronic products and specialty structural products in Canada, the United States, and internationally.

Pine Valley Mining

Market Cap: US$393.8k

Engages in the acquisition, development, and mining of mineral resource properties.

Hydromer

Market Cap: US$325.6k

Hydromer, Inc. invents, develops, patents, licenses, manufactures, and sells hydrophilic polymer-based products and services in the United States and internationally.

Antioquia Gold

Market Cap: US$1.1k

Engages in the exploration, evaluation, and mining of gold resource properties in Colombia.

Calissio Resources Group

Market Cap: US$902.0

Calissio Resources Group, Inc. undertakes the exploration and production of copper resource on its Jovita mining property.