印度尼西亚采购需求：井盖，黑色井盖，重型井盖，铸铁井盖，圆形井盖，方形井盖

I'm reaching out to get more detailed information about your range of manhole covers. We are looking to understand the specifications, materials used, and any available customization options. Additionally, it would be great to know about the compliance with industry standards and any durability tests the products have undergone. Could you also provide insights on your pricing structure, minimum order quantities, and estimated lead times for delivery? We're exploring various suppliers and value quality and reliability in our partnerships. Looking forward to your response so we can discuss potential collaboration further!