美国采购需求：洁净室设计、洁净室服务、洁净室产品

I'm reaching out because I'm interested in your flat ducting products and would like to gather more details about them. Could you please provide information on the different options available, including specifications and any customization possibilities? I want to ensure I'm considering the best fit for my needs. Additionally, it's important for me to know if you ship to the United States. If so, I'd appreciate any details regarding shipping times, costs, and the process involved. I'm looking forward to your reply, as I'm eager to move forward with this potential purchase. Thank you!