和远高纯氮气钢瓶（40L）

评测依据

• review_count：210
• rating_avg：4.3
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 01:17:14","to":"2026-06-26 01:17:14"}
• intros：{"brand_intro":"和远气体（Heyuan Gas）成立于2003年，总部位于湖北，是华中地区领先的工业气体供应商，2019年于深交所上市。公司专注于工业气体、医用气体及特种气体的生产与销售，拥有多个气体分离和充装基地，以\"区域深耕、服务下沉\"策略赢得中小客户市场。","product_intro":"该40L高纯氮气钢瓶采用国标无缝钢管制造，工作压力15MPa，纯度99.999%，适用于实验室常规保护、吹扫及简单分析仪器。瓶体经水压试验和气密性检测，阀门采用铜合金材质。价格亲民，适合预算有限的初创实验室或教学用途。支持全国配送及空瓶回收。","key_specs":["容积：40L","工作压力：15MPa","纯度：≥99.999%","瓶体材质：37Mn无缝钢管","阀门材质：铜合金QF-2A","净重：约51kg"]}
• alt_products：[{"product_name":"和远高纯氮气钢瓶（40L）","brand":"和远气体","model":"HY-N2-40L-99.999","price":650},{"product_name":"金宏高纯氮气钢瓶（40L）","brand":"金宏气体","model":"JH-N2-40L-99.999","price":720}]
• kol_quotes：["@中学化学老师：和远氮气做学生实验足够用，价格便宜。","@实验室新手：第一次买钢瓶，客服指导很耐心。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":77.39999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价其\"经济实惠\"，价格在同类产品中最低，适合对纯度要求不高的基础实验。部分用户反映瓶体外观较粗糙，但气体质量稳定。物流覆盖华中地区较快，偏远地区需加运费。适合作为教学实验室或临时备用气源。整体满意度尚可，性价比突出。","source_count":3}},{"source":"objective","score":66.14791583166331,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.3,"price":650,"wom_score":77.39999999999999}},{"source":"user_review","score":86,"weight":0.15,"confidence":1,"details":{"rating_avg":4.3,"review_count":210,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@中学化学老师：和远氮气做学生实验足够用，价格便宜。","@实验室新手：第一次买钢瓶，客服指导很耐心。"]}}]
• method_version：v2
• search_visual：null