Are there any special warranty policies for bulk orders?（大批量订单有特殊保修政策吗？）

For bulk orders, we can extend the warranty period to 1.5 years or provide free annual maintenance services. Specific terms can be negotiated in the contract.（对于大批量订单，我们可将保修期延长至 1.5 年或提供免费年度维护服务，具体条款可在合同中协商。）