HONG KONG/SYDNEY, Nov 15 (Reuters) – The fintech arm of Chinese e-commerce firm JD.Com (9618.HK) aims to win Beijing regulators' approval to list in Hong Kong as soon as the end of the year, three people with direct knowledge of the matter said, after a first attempt failed earlier this year. JD Technology's initial public offering (IPO) would be one of the largest listings of Chinese companies in Hong Kong since a sweeping regulatory crackdown started in China two years ago, as part of which scrutiny of capital raising outside mainland China was tightened. The revived IPO plan comes as…