The predecessor of Pactera Technology Co., Ltd. is Pactera Information Technology Co., Ltd. and Pactera Software (International) Group, both of which are software outsourcing service providers. 2012 August 1 1 Siwen Information and Haihui Software announced the merger. According to the merger agreement signed by the two parties, the shareholders of the two companies will each hold about 50% of the shares of the new company after the merger, and the original shares of Haihui will still be listed on the Nasdaq Global Select Market. The Chinese name of the merged company is "Wensi Haihui Technology Co., Ltd." and the English name is "Wensi Haihui". After the merger, it became the largest software outsourcing company in China. 1201310/October 17, Siwen Haihui was acquired by Blackstone Group for US$ 625 million. Wensi Haihui Technology International Co., Ltd. is a consulting and technical service provider. With super global operation capability, strict quality standards and efficient delivery process, the company is committed to becoming a "new era partner" of global enterprises and escorting customers successfully. Since 1995, Pactera has been committed to providing global customers with world-leading business /IT consulting, solutions and outsourcing services, and has accumulated rich industry experience in the fields of financial services, high technology, telecommunications, tourism and transportation, energy, life sciences, manufacturing, retail and distribution, and its main customers cover many Fortune 500 companies and large and medium-sized enterprises in China. With its professional delivery ability, Pactera helps customers succeed in the global market and is highly recognized by partners and industry analysts. The industry-leading quality and safety certifications passed include CMM level, CMMI-SVC level 3, Six Sigma, ISO 2700 1, ISO900 1:2008, SAS70 and PIPA.