AP vs JG Comparison

Ampco-Pittsburgh Corp is manufacturing and selling engineered, specialty metal products and customized equipment. It operates in two business segments namely the Forged and Cast Engineered Products segment and the Air and Liquid Processing segment. The Forged and Cast Engineered Products segment produces forged hardened steel rolls, cast rolls, and open-die forged products. Forged hardened steel rolls are used in cold rolling mills by producers of steel, aluminum, and other metals whereas, the Air and Liquid Processing segment includes Aerofin, Buffalo Air Handling, and Buffalo Pumps. The company generates a majority of its revenue from the Forged and Cast Engineered Products segment. It has a business presence in the United States and other countries.

Aurora Mobile Ltd provides stable, and accurate developer services for educational and medical products. It is focused on providing companies with stable and efficient push notification services. It provides a comprehensive suite of services to mobile app developers in mainland China. Through its developer services, it gains access to, aggregate, cleanse, structure and encrypt vast amounts of real-time and anonymous device-level mobile behavioral data. It offers data services such as iAPP which helps the investors to analyze opportunities in the sector, Anti-fraud helps to identify fraud risks, iAudience, iZone and other related services. The company operates and generates its revenue from the People's Republic of China.