network-shoppingmall chenchen sun order on line and i was scammed boan, Internet

To whom it may concern, 

The so called suppliers were very convincing with proving their existence. I visited their website and when I inquired more information they sent me a price list and I placed an order of 460 AUD... They had a site to confirm their existence and multiple emails to contact them through. I made the transfer and gave them the MCTN number (western union), and after payment was received I receive an email from them saying that I needed to pay some shipping fee due to the festive season... They never told me about this fee beforehand and so I asked to cancel my order and get my money back. They kept saying that they will do payment but its been 24hrs and I still haven't received payment... Ive gathered as much information as I could find.  Is there anyway you can help me I claim it back??   The following is all the information I have regarding this supplier. [continued below]....

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Western Union Account: 
The first name: chenchen 
The last name: sun   
City: beijing 
Country: China 
 Paying Bank: Bank of China Beijing Branch 
Address of Bank: No.2 ChaoYangMenNeiDaJie,DongCheng District,Beijing 100010 , China 
Beneficiary's A/C NO: 6217900100000153976 
Beneficiary's Name: chenchen sun 
SWIFT: BKCH CN BJ 110 
Company Name: Shenzhen chuangmeiyuan Technology Co., Ltd.
Company Address: A 3th Floor Before, Yuexing Industrial Park, Songyuanxia Community, Huanguan Middle Road, Guanlan Street, Baoan District 361000, Shenzhen, China.
Business Website: http://www.network-shoppingmall.com
Business E-Mail: network-shoppingmall@hotmail.com
                network-shoppingmall@live.com
                network-shoppingmall@live.cn
Business MSN: network-shoppingmall@hotmail.com
Company Business Licence NO.: 440306102792828 
  
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