Yup, this exchange is safe, it is a registered company in Singapore. Nobody writes about it because it is working the same way since 2014.
And no, you are unable to open a bank account in Singapore online without coming to Singapore, especially if you are a foreigner.
Withdrawal can only be done to a bank in incorporated in Singapore.
<option value="ANZBSGSXXXX">Australia and New Zealand Banking Group Limited</option> <option value="BNPASGSGXXX">BNP Paribas</option> <option value="BKKBSGSGXXX">Bangkok Bank Public Company Ltd</option> <option value="BOFASG2XXXX">Bank of America NA</option> <option value="BKCHSGSGXXX">Bank of China Limited</option> <option value="BEASSGSGXXX">Bank of East Asia Ltd</option> <option value="BKIDSGSGXXX">Bank of India</option> <option value="CIBBSGSGXXX">CIMB Bank Berhad</option> <option value="CTCBSGSGXXX">CTBC Bank Co. Ltd</option> <option value="KWHKSGSGXXX">China CITIC Bank International Ltd</option> <option value="CITISGSGXXX">Citibank NA</option> <option value="COBASGSXXXX">Commerzbank AG</option> <option value="CRLYSGSGXXX">Credit Agricole Corporate and Investment Bank</option> <option value="DBSSSGSGXXX">DBS Bank Ltd / POSB</option> <option value="DNBASGSGXXX">DNB Bank ASA</option> <option value="DEUTSGSGXXX">Deutsche Bank AG</option> <option value="FAEASGSGXXX">Far Eastern Bank Ltd</option> <option value="FCBKSGSGXXX">First Commercial BankLtd</option> <option value="HLBBSGSGXXX">HL Bank</option> <option value="HSBCSGS2XXX">HSBC Bank (Singapore) Limited(Personal)</option> <option value="HSBCSGSGXXX">HongKong & Shanghai Banking Corporation Ltd(Corporate)</option> <option value="ICICSGSGXXX">ICICI Bank Limited</option> <option value="IDIBSGSGXXX">Indian Bank</option> <option value="IOBASGSGXXX">Indian Overseas Bank</option> <option value="ICBKSGSGXXX">Industrial & Commercial Bank of China Ltd</option> <option value="BCITSGSGXXX">Intesa Sanpaolo S.p.A</option> <option value="CHASSGSGXXX">JPMorgan Chase Bank N.A.</option> <option value="KOEXSGSGXXX">Korea Exchange Bank</option> <option value="MBBESGSGXXX">Malayan Banking Berhad</option> <option value="MHCBSGSGXXX">Mizuho Bank Ltd</option> <option value="NATASGSGXXX">National Australia Bank Ltd</option> <option value="NDEASGSGXXX">Nordea Bank AB Singapore Branch</option> <option value="OCBCSGSGXXX">Overseas-Chinese Banking Corporation Ltd</option> <option value="BNINSGSGXXX">P.T.Bank Negara Indonesia(Persero)Tbk</option> <option value="QNBASGSGXXX">Qatar National Bank SAQ</option> <option value="RHBBSGSGXXX">RHB Bank Berhad</option> <option value="ESSESGSGXXX">Skandinaviska Enskilda Banken AB (publ)</option> <option value="SOGESGSGXXX">Societe Generale</option> <option value="SCBLSGSGXXX">Standard Chartered Bank</option> <option value="SBINSGSGXXX">State Bank of India</option> <option value="SMBCSGSGXXX">Sumitomo Mitsui Bank Ltd</option> <option value="HANDSGSGXXX">Svenska Handelsbanken AB (publ)</option> <option value="BOTKSGSXXXX">The Bank of Tokyo-Mitsubishi UFJ Ltd</option> <option value="UCBASGSGXXX">UCO Bank</option> <option value="BVBESGSGXXX">UniCredit Bank AG</option> <option value="UBSWSGSGXXX">Union Bank of Switzerland AG</option> <option value="UOVBSGSGXXX">United Overseas Bank Ltd</option>