To those Filipinos here in the Philippines and Filipinos based in Singapore who are hard to find a legit sites exchange wallet here are some wallet and hopefully it can help you a lot. And you can read this link for better understanding how each exchange wallet works https://www.buybitcoinworldwide.com/singapore/
Here's the links.
http://buybitcoinww.co/Coinbase_Buy
http://buybitcoinww.co/Luno_Exchange
https://www.buybitcoinworldwide.com/kb/buy-bitcoin-without-verification-id/#bitcoin-otc
https://coins.ph/