March 18 (Reuters) - China Security & Fire Co Ltd 600654.SS
* Says subsidiary plans to buy Australian security assets, property assets for A$157.5 million ($120.22 million)
* Says Hong Kong subsidiary plans to buy United Premier International for 1.3 billion Thai baht ($37.33 million)
* Says it aims to raise up to 5.0 billion yuan ($771.99 million) in private placement of shares to fund acquisitions, projects, repay bank loans and replenish working capital
Source text in Chinese: company coverage: 600654.SS ($1 = 1.3101 Australian dollars) ($1 = 34.8200 baht) ($1 = 6.4768 Chinese yuan renminbi)