Shanghai Zhuo language lubricating oil co., LTD is by BlackRock group (BlackRock) Berlin fund company invested and set up in November 2016 in Shanghai, China, the company's main BlackRock BLADE oil brand. Blackrock is also known as blackrock inc. (nyse: BLK), the largest listed investment management group in the United States. Headquartered in New York, the United States provides services to clients through its offices in the United States, Europe and Asia. Blackrock group assets under management on behalf of individual and institutional investors around the world, providing a wide variety of securities, fixed income, cash management and alternative investment products. In December 2009, the company bought barclays global investors, cementing its position as the world's largest investment manager in the world. As of June 2013, the company had more than $365 billion in assets under management. Blackrock serves clients in 60 countries and regions, including North America, Europe, Asia Pacific and the Middle East. Group in Dallas, Los Angeles, San Francisco, Chicago, Princeton university, wilmington, London, Berlin, Zurich, Tokyo, Sydney, Paris, Frankfurt, Sao Paulo, dubai and other cities with offices in the world. Blackrock now has about 10, 100 employees, including more than 700 investment professionals from around the world.