PTR vs ZEST

PetroChina Company Limited

PetroChina Company Limited, together with its subsidiaries, engages in a range of petroleum related products, services, and activities in Mainland China and internationally. It operates through Exploration and Production, Refining and Chemicals, Marketing, and Natural Gas and Pipeline segments. The Exploration and Production segment engages in the exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment refines crude oil and petroleum products; and produces and markets primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment is involved in marketing of refined products and trading business. The Natural Gas and Pipeline segment engages in the transmission of natural gas, crude oil, and refined products; and sale of natural gas. As of December 31, 2020, the company had a total length of 31,151 km, including 22,555 km of natural gas pipelines, 7,190 km of crude oil pipelines, and 1,406 km of refined product pipelines. The company is also involved in the exploration, development, and production of oil sands and coalbed methane; trading of crude oil and petrochemical products; storage, chemical engineering, storage facilities, service station, and transportation facilities and related businesses; and production and sales of basic and derivative chemical, and other chemical products. The company was founded in 1999 and is headquartered in Beijing, the People's Republic of China. PetroChina Company Limited is a subsidiary of China National Petroleum Corporation.

Ecoark Holdings Inc.

Ecoark Holdings, Inc., through its subsidiaries, engages in oil and gas, financial services, and food freshness management solution businesses in the United States. It engages in the exploration, production, and drilling of oil and gas properties in Texas, Louisiana, and Mississippi, as well as provides transportation of frac sand and logistics services to hydraulic fracturing and drilling operations. The company also provides freshness management solutions for fresh food growers, suppliers, processors, distributors, grocers, and restaurants. In addition, it offers Zest Fresh solution, a cloud-based post-harvest shelf-life and freshness management solution that matches customer freshness requirements with actual product freshness and reduces post-harvest losses; and Zest Delivery solution, which provides real-time monitoring and control for prepared food delivery containers, and helps delivery and dispatch personnel to ensure the quality and safety of delivered food. Further, the company is involved in financial activities, including investing in various early stage startups. Ecoark Holdings, Inc. was founded in 2011 and is based in San Antonio, Texas.