美国采购需求：菜籽蛋白、桦树汁、熊果苷粉、有机绿茶提取物、有机甜菜根浓缩汁、山茶油

I'm interested in learning more about your range of plant extracts. Could you provide me with details regarding the different types of extracts you offer, including their sourcing, extraction methods, and any relevant certifications? Understanding the quality and origin of your products is essential for us, as we prioritize sustainability and efficacy in our selections. Additionally, it would be great to know about the available packaging options and whether you offer custom formulations. I'm curious about your lead times for orders and any minimum purchase requirements. Any information about your ongoing research or development projects related to plant extracts would also be highly appreciated, as we are always on the lookout for innovative solutions to meet our needs. Looking forward to your response!