Oh spare me. These folk are in to making money and not providing a service. They are so focused on making money that they will stop you spending the money you are ready to spend because they are more focused on selling you something else.
I sent them a few questions to clarify the characteristics of a Singaporean company and instead they answered just one question by way of seeking to get me to pay someone else to answer that one question.
So any experienced business person will know that when you experience this type of behaviour early in the interaction then you know you will experience it many times in the future if you enter in to a business relationship with them.
