On taiwan, sum's "sum union automobile service" is based on the practical experience and resource-rich enterprise built up by taiwan's hsbc motors group for more than 30 years. As a result of continuous development and innovation, taiwan has become a bigger car service chain, with three main channels under the umbrella of the sum alliance for high-quality second-hand cars, the sum union for car repairs and the sum federation of masters of american cars. As of october 2010, there were 527 taiwan union stores, 12 of which owned the xinjiang blow-out centre and 5 of which were speedbox regeneration centres. Sum in the continent: sum, in conjunction with professional research and development teams on both sides of the straits, has been engaged in more than five years of market testing and specialized research to break down one by one the difficulties faced by the car repair industry and to provide an integrated business programme of technology, management and marketing for operators of the car repair industry. Sum is supported by cooperative relationships*, industry associations, industry experts and others, and local experience; information system development capacity in technology and service management based on experience gained in hsbc car maintenance services; capacity to build talent needs and develop capacity and continuous training based on school cooperation; capacity to integrate the automotive services industry chain and support the umaster management system. Through these, the sum automotive safety union will create a credible brand that will serve as a safe haven for auto maintenance service providers and as a service provider to consumers by upgrading the overall level of repair plants. In december 2009, the sum automotive safety union became the licensed automotive services linking company, approved by the ministry of commerce, and is a foreign-owned company with a chain-to-coalition role in the automotive services industry。