希腊采购需求：防弹衣、防弹布、防弹板、防弹头盔、防刺背心、防弹盾牌

I'm interested in sourcing hard ballistic plates that meet NIJ Level IV standards. Could you provide me with detailed information on your available options, including specifications, materials used, and any compliance certifications? Additionally, please share pricing details for bulk orders, lead times, and shipping options. I'm looking for reliable suppliers who can guarantee quality and timely delivery. Insights on warranty and post-sale support would also be appreciated. Thanks!