菲律宾采购需求：黑白超声波、彩色多普勒超声波、心电图、数字X光、病人监护仪

I'm interested in sourcing gold, but I need more detailed information to proceed. Could you provide me with the specifications and types you have available? Specifically, I'm looking for options regarding purity, forms (like bars or coins), and any available certifications. Understanding these details will help me evaluate the best options for our needs. Additionally, please include pricing information, minimum order quantities, and any other relevant details about shipping and lead times. Efficient delivery is crucial for us, so if you have preferred shipping methods or partners, it would be great to know about those as well. Looking forward to your prompt response so we can move this forward.