孟加拉采购需求：德式头盔，警察防暴装备，防暴头盔，防暴头盔，头盔

I'm reaching out to inquire about the price and availability of your German style riot helmets, specifically designed for tactical use. I'm interested in equipping our security personnel with high-quality police equipment that ensures safety and durability. It would be great to get details on the different models you offer, including any bulk purchase options and lead times for delivery. Also, could you provide information on any certifications these helmets hold? Looking forward to your prompt response!