LEDS vs CLWT Comparison

SemiLEDs Corp develops, manufactures, and sells light-emitting diode chips and LED components. The company's products include LED Chips, LED Components, and Lighting Products. Its products are used for general lighting applications, including street lights and commercial, industrial, system, and residential lighting; specialty industrial applications, such as ultraviolet, or Ultraviolet, curing of polymers, LED light therapy in medical/cosmetic applications, counterfeit detection, LED lighting for horticulture applications, architectural lighting and entertainment lighting. Substantial revenue is generated from the sale of LED components products. Geographically, it derives a majority of its revenue from Japan.

Euro Tech Holdings Co Ltd is a distributor and manufacturer of technology instruments as well as an environmental engineering services provider. It is engaged in the marketing and trading of water and wastewater related process control, analytical and testing instruments, disinfection equipment, supplies, and related automation systems. There are two operating segments of the company. The Trading and manufacturing segment, which is the key revenue driver, includes distribution of water treatment equipment, laboratory instruments, analyzers, test kits, and related supplies and power generation equipment. The Engineering segment includes water and waste-water treatment engineering and air pollution control business. The majority of the revenue is generated from Hong Kong.