孟加拉采购需求：转舌锁、执手锁、平面锁、连杆锁、铰链、搭扣

We're looking to procure Dahfu handle locks for our upcoming project. We need to understand the specifications, available finishes, and any customization options you might offer. Additionally, please provide information on the minimum order quantity, lead time, and pricing structure for bulk orders. Also, if there are any special features or certifications related to these locks, we'd appreciate the details. It's crucial for us to ensure these locks meet quality standards and durability for our applications, so any relevant technical documentation would be great as well. Looking forward to your prompt response with the necessary information!