Walkers (snack foods) Walkers (snack foods) Walkers is a British snack food manufacturer mainly operating in the United Kingdom and Ireland. Walkers was founded in 1948 in Leicester, England by Henry Walker, and in 1989 was acquired by Lay's owner, Frito-Lay, a division of PepsiCo. They are best known for manufacturing potato crisps, and other, non-potato-based snack foods. It holds 56 percent of the British crisps market.<ref name="bbc.co.uk/food"></ref> The Walkers site in Leicester is the largest crisp production plant in the world, producing over 11 million bags of crisps per day and using about 800 tons of potatoes. In the 1880s, Walker moved
Oil shale in China oil production or the oil shale-based power generation. After 2005, China became the largest shale oil producer in the world. In 2011, the country produced about 650,000 tonnes of shale oil. Most of production facilities are Fushun-type retorts. At the end of 2006, the Fushun Shale Oil Plant was the largest oil shale plant in the world. In 2005, the China National Oil Shale Association was established in Fushun. The main oil shale research institution in China is the China University of Petroleum. From 2004 to 2006 China undertook the national oil shale evaluation. According to the evaluation, it has