美国采购需求：中国百里香油，购买，在线，最优价格，供应商

I'm interested in sourcing golden rod essential oil for our product line. Could you please provide me with your available options, including different grades and packaging sizes? Additionally, I'm keen to know about your pricing, minimum order quantities, and lead times. Furthermore, if you have any relevant certifications or quality assurances for the golden rod essential oil, that would be great to know. Looking forward to your prompt response so we can explore a potential partnership. Thanks!