Have any exchange Service and BitCoin WWW

[bitkilo]

I cannot find the servcice and bitcoin exchange www site . have someone know that , for example , i have good skill in wireless technology , and how i can chnage my service then make bitcoin .

I am not exactly sure what you are asking but if you are looking for an exchange to trade bitcoins then this woupd be a good place to start: https://www.bitcoin.com/buy-bitcoin

[grandFX]

have any offer my service to earn the bitcoin ??????

It's better to create a new thread to offer your service
if you are lucky, you can get customers to use your skill.