LIQT vs GWH Comparison

LiqTech International Inc is a clean technology company which provides technology for gas and liquid purification by manufacturing ceramic silicon carbide filters. The company is renowned in three business areas: ceramic membranes and membrane incorporated liquid filtration systems, ceramic diesel particulate filters (DPFs) to control soot exhaust particles and black carbon emission from diesel engines, and plastic components for usage across various industries. The company's product portfolio consists of ceramic silicon membranes for liquid filtration, diesel particulate filters, Hybrid Technology Membranes and others. The Company operates through three reportable segments: Systems and Aftermarket, Filters and Membranes, and Components.

ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. It develops and manufactures long-duration energy storage systems based on iron flow battery technology. The company's batteries use earth-abundant materials, including iron, salt, and water, and are designed for high cycle life and recyclability. It operates as a single business operating segment, which includes all activities related to the design, engineering, and manufacturing of the company's long duration energy storage products. The company's revenue is derived from the sale of its energy storage products and from service contracts.