GWH vs WIMI Comparison

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.

WiMi Hologram Cloud Inc and its subsidiaries offer augmented reality (AR) based holographic services and products to cater to its customers. Its AR service and product offerings consist of holographic AR advertising services and holographic AR entertainment products. It is also into the semiconductor business, in which the company provides central processing algorithm services and computer chip products to enterprise customers and the sales of comprehensive solutions for central processing algorithms and related services with software and hardware integration. The company reports in three segments: AR advertising, AR entertainment, and Semiconductor. Its geographical segments are Mainland China, Hong Kong, and International.