Question: Dangdang has a competitor in the company formerly called what?

Documents:
source: JD.com
text: JD.com JD.com, Inc. (), also known as Jingdong and formerly called 360buy, is a Chinese e-commerce company headquartered in Beijing. (The holding company of the group was incorporated in Cayman Islands) It is one of the two largest B2C online retailers in China by transaction volume and revenue, a member of the Fortune Global 500 and a major competitor to Alibaba-run Tmall. As of March 2017 it currently has 236.5 million active customer accounts.

source: Dangdang
text: Dangdang E-commerce China Dangdang Inc. (), known as Dangdang, is a Chinese electronic commerce company, founded by Peggy Yu and Li Guoqing in 1999. It is headquartered in Beijing and its main competitors are Amazon.cn (or Amazon China, formerly Joyo.com) and JD.com (or Jingdong, formerly 360buy. com). The competition escalated into a price war in December 2010, with each retailer marking down a wide range of items, especially books. DangDang made an IPO on the NYSE in November 2010, estimated at approximately US$1 billion.

source: Unum
text: Unum Unum Group is a Chattanooga, Tennessee-based Fortune 500 insurance company formerly known as UnumProvident. Unum Group was created by the 1999 merger of Unum Corporation and The Provident Companies and comprises three distinct businesses Unum US, Unum UK, and Colonial Life. Its underwriting insurers include The Paul Revere Life Insurance Company and Provident Life and Accident Insurance Company. Unum is the top disability insurer in both the United States and United Kingdom and also offers other insurance products including accident, critical illness and life insurance.

source: Tag Entertainment
text: Tag Entertainment Tag Entertainment (sometimes titled TAG Entertainment) was largely founded by Steve Austin and John T. Botti (formerly CEO of Authentidate) and became a publicly held film production company formerly headquartered in Santa Monica, California. The company was described as a centered producer of family films.

source: Navarre Corporation
text: Navarre Corporation Navarre Corp. was a public distribution and publishing company founded in 1983 by Eric H. Paulson. The company is headquartered in New Hope, Minnesota. Navarre owns two subsidiary companies: a software publisher, Encore, Inc., and a distributor, Navarre Entertainment Media. The company formerly offered niche films through BCI Home Entertainment a.k.a. BCI Eclipse Company (formerly Brentwood), but this division was closed in a 2008 re-structuring due to the recession, after 2 years of being unprofitable.

source: Atlanta Hawks, LLC
text: Atlanta Hawks, LLC Atlanta Hawks, LLC (formerly known as Atlanta Spirit LLC) was an Atlanta, Georgia-based parent company formerly the holder of the franchise of the Atlanta Hawks, a professional basketball team in the NBA, and the Atlanta Thrashers, a former professional hockey team in the NHL. The Atlanta Spirit LLC name was changed to Atlanta Hawks, LLC on March 14, 2014.

source: United Finance
text: United Finance United Finance is a Bangladeshi non-bank finance company formerly known as United Leasing Company and changed into United Finance in 2014. It is listed in DSE. It provides financial services, such as investment, lease, loan, term finance, channel financing. The company was founded in 1989 and is headquartered in Dhaka, Bangladesh. United Finance collect around 80 percent of their funds directly from individual depositors.

source: Trossingen Railway
text: Trossingen Railway The Trossingen Railway ("Trossinger Eisenbahn", "TE") is a DC-electrified branch line in the German state of Baden-Württemberg. The branch line has connected the town of Trossingen with Trossingen station, which is located on its periphery, since 1897. Trossingen station (formerly called "Trossingen Staatsbahnhof"—"state station") is on the Rottweil–Villingen railway. The railway is not part of the Deutsche Bahn network; instead it is owned by "Stadtwerke Trossingen GmbH". This company formerly operated the railway, but since 2003, operations have been carried out by the Hohenzollerische Landesbahn (HzL). Freight operations were abandoned in 1996.

source: Dover Motorsports Incorporated
text: Dover Motorsports Incorporated Dover Motorsports, Inc. (formerly Dover Downs Entertainment) is a company that owned several auto racing circuits in the United States. The company is based in Dover, Delaware, United States, the home of its flagship track Dover International Speedway, a 1 mi concrete oval with a seating capacity of 95,500 that opened in 1969. The company formerly owned the Dover Downs harness racing track adjacent to the Dover speedway. Dover Motorsports formerly operated Nashville Superspeedway, a 1.333 mile concrete oval track in Lebanon, Tennessee, and Gateway International Raceway, a 1.25 mile egg-shaped asphalt oval track in Madison, Illinois, in addition to its flagship one-mile concrete oval track. Dover Motorsports owned Memphis Motorsports Park, a .75 mile tri-oval asphalt short track in Millington, Tennessee, but closed the track in October 2009 to competition and was sold to Palm Beach International Raceway after sitting unused for over a year.

source: M&amp;M Food Market
text: M&amp;M Food Market M&M Food Market (French: "Les aliments M&M" ), formerly known as M&M Meat Shops, is a Canadian frozen food retail chain. The company is headquartered in Kitchener, Ontario, and has locations in all ten provinces, the Yukon and Northwest Territories; the company formerly had operations in the Midwestern United States under the MyMenu brand that operated between 2008 and 2013.

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Answer: 360buy