山东品牌12吨起重机的优点可能包括以下几个方面：1. 质量可靠：山东品牌的起重机可能经过严格的质量控制和检验，具有可靠的性能和出色的耐用性。2. 大承载能力：12吨的起重机具有较大的承载能力，可以满足中小型物料搬运和起吊的需求。3. 灵活性和便携：12吨起重机可能设计紧凑，并具有灵活的操作性能，可适应不同工作场景和环境。4. 安全性能好：山东品牌的起重机可能采用先进的安全技术和设备，如过载保护、限位保护等，确保操作人员和周围环境的安全。5. 成本效益高：相比于其他品牌，山东品牌的起重机可能价格更加合理，性价比较高。需要注意的是，优点会根据具体的产品型号和使用环境而有所差异，以上只是一般情况下的优点。购买时建议详细了解产品参数、实际应用案例和用户评价等，以选择最适合自己需求的产品。

The advantages of Shandong brand 12-ton cranes may include the following aspects:1. Reliable quality: Shandong brand cranes may undergo strict quality control and inspection, and have reliable performance and excellent durability.2. Large carrying capacity: 12-ton cranes have large carrying capacity, which can meet the needs of small and medium-sized material handling and lifting.3. Flexibility and portability: 12-ton cranes may have compact design and flexible operation performance, which can adapt to different working scenes and environments.4. Good safety performance: Shandong brand cranes may adopt advanced safety technology and equipment, such as overload protection, limit protection, etc., to ensure the safety of the operators and the surrounding environment.5. Cost-effective: compared with other brands, Shandong brand cranes may be more reasonably priced and have a higher cost-effective performance. It should be noted that the advantages will vary according to the specific product model and the use of the environment, the above is only the general case of the advantages. When purchasing, it is recommended to understand in detail the product parameters, actual application cases and user reviews, etc., in order to choose the most suitable product for your needs.