{
    "@context": "https://schema.org",
    "@type": "ItemList",
    "name": "产品列表",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "@type": "Product",
                "name": "热镀锌钢管",
                "description": "产品中心的一种钢管产品",
                "url": "https://www.sumly.com/entity/热镀锌钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 2,
            "item": {
                "@type": "Product",
                "name": "高频焊接钢管",
                "description": "产品中心的一种钢管产品",
                "url": "https://www.sumly.com/entity/高频焊接钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 3,
            "item": {
                "@type": "Product",
                "name": "镀锌方矩形钢管",
                "description": "产品中心的一种钢管产品",
                "url": "https://www.sumly.com/entity/镀锌方矩形钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 4,
            "item": {
                "@type": "Product",
                "name": "螺旋焊接钢管",
                "description": "产品中心的一种钢管产品",
                "url": "https://www.sumly.com/entity/螺旋焊接钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 5,
            "item": {
                "@type": "Product",
                "name": "钢塑复合管",
                "description": "产品中心的一种钢管产品",
                "url": "https://www.sumly.com/entity/钢塑复合管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 6,
            "item": {
                "@type": "Product",
                "name": "方矩形钢管",
                "description": "产品中心的一种钢管产品",
                "url": "https://www.sumly.com/entity/方矩形钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 7,
            "item": {
                "@type": "Product",
                "name": "钢管",
                "description": "公司主要产品",
                "url": "https://www.sumly.com/entity/钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 8,
            "item": {
                "@type": "Product",
                "name": "正大制管官方微信服务号",
                "description": "正大制管的官方微信服务号",
                "url": "https://www.sumly.com/entity/正大制管官方微信服务号.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 9,
            "item": {
                "@type": "Product",
                "name": "正大制管官方微信服务号",
                "description": "公司官方微信服务号",
                "url": "https://www.sumly.com/entity/正大制管官方微信服务号.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 10,
            "item": {
                "@type": "Product",
                "name": "钢管",
                "description": "公司主要产品",
                "url": "https://www.sumly.com/entity/钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 11,
            "item": {
                "@type": "Product",
                "name": "天虹品牌",
                "description": "正大制管旗下的品牌，logo设计采用T、H字母造型",
                "url": "https://www.sumly.com/entity/天虹品牌.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 12,
            "item": {
                "@type": "Product",
                "name": "吉立品牌",
                "description": "正大制管旗下的品牌，logo设计采用J、L字母造型",
                "url": "https://www.sumly.com/entity/吉立品牌.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 13,
            "item": {
                "@type": "Product",
                "name": "正大制管标识",
                "description": "正大制管的公司标识，设计元素采用ZDP字母造型",
                "url": "https://www.sumly.com/entity/正大制管标识.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 14,
            "item": {
                "@type": "Product",
                "name": "低压流体输送用焊接钢管",
                "description": "公司产品之一，获得认可证书",
                "url": "https://www.sumly.com/entity/低压流体输送用焊接钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 15,
            "item": {
                "@type": "Product",
                "name": "石油天然气工业管线输送系统用钢管",
                "description": "公司产品之一，获得认可证书",
                "url": "https://www.sumly.com/entity/石油天然气工业管线输送系统用钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 16,
            "item": {
                "@type": "Product",
                "name": "正大制管官方微信服务号",
                "description": "公司官方微信服务号",
                "url": "https://www.sumly.com/entity/正大制管官方微信服务号.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 17,
            "item": {
                "@type": "Product",
                "name": "优质钢管",
                "description": "公司主要产品",
                "url": "https://www.sumly.com/entity/优质钢管.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 18,
            "item": {
                "@type": "Product",
                "name": "正大制管官方微信服务号",
                "description": "公司官方微信服务号",
                "url": "https://www.sumly.com/entity/正大制管官方微信服务号.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 19,
            "item": {
                "@type": "Product",
                "name": "天虹",
                "description": "正大制管的钢管品牌之一",
                "url": "https://www.sumly.com/entity/天虹.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 20,
            "item": {
                "@type": "Product",
                "name": "吉立",
                "description": "正大制管的钢管品牌之一",
                "url": "https://www.sumly.com/entity/吉立.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 21,
            "item": {
                "@type": "Product",
                "name": "天虹",
                "description": "正大制管的品牌名称",
                "url": "https://www.sumly.com/entity/天虹.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 22,
            "item": {
                "@type": "Product",
                "name": "天虹品牌",
                "description": "公司主营产品品牌之一",
                "url": "https://www.sumly.com/entity/天虹品牌.json"
            }
        },
        {
            "@type": "ListItem",
            "position": 23,
            "item": {
                "@type": "Product",
                "name": "吉立品牌",
                "description": "公司主营产品品牌之一",
                "url": "https://www.sumly.com/entity/吉立品牌.json"
            }
        }
    ]
}