印度采购需求：圆机零件，圆机备件，针织机零件，针织机备件，针

I'm reaching out to gather more information about your product offerings. Specifically, I'd like to understand the various models you have available, including their specifications, pricing, and any bulk order options. It's important for me to know about lead times and shipping details as well, to better assess how we could align our needs with what you provide. Additionally, if you have any promotional materials or product catalogs, that would be super helpful. I'm looking for reliable partners who can meet our quality standards, so any insights on your manufacturing processes or certifications would also be appreciated. Looking forward to your detailed response!