起帆（QIFAN）电线电缆 RVV软线 4平方 100米

评测依据

• review_count：5400
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 01:48:41","to":"2026-06-26 01:48:41"}
• intros：{"brand_intro":"起帆电缆成立于1994年，总部位于上海，是华东地区最大的电线电缆制造商之一。公司拥有三大生产基地，年产能超百亿元，产品涵盖电力电缆、控制电缆、家装电线等。起帆以\"高性价比国货\"为定位，在工程市场和电商渠道均有强势表现，连续多年入选中国线缆行业百强。","product_intro":"起帆RVV 4平方软线专为大功率电器设计，如即热式热水器、中央空调、电磁炉等。采用无氧铜导体和阻燃PVC护套，通过CCC和ISO9001认证。线芯柔软度适中，便于接线。100米足量包装，外皮印有品牌和规格标识，防伪可靠。价格相比一线品牌低15%-20%，是预算有限用户的优选。","key_specs":["导体材质：无氧铜","标称截面：4mm²","线芯结构：多股软线","额定电压：450/750V","阻燃等级：VW-1","长度：100米/卷"]}
• alt_products：[{"product_name":"起帆（QIFAN）电线电缆 RVV软线 4平方 100米","brand":"起帆电缆","model":"RVV 4mm²","price":459}]
• kol_quotes：["电工小刘：起帆4平方线做厨房主线，便宜又够用。","装修博主@省钱攻略：预算有限就选起帆，参数不虚标。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":82.9,"weight":0.3,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为起帆4平方线缆性价比突出，铜芯质量对得起价格。工程承包商评价其批量采购成本低，且供货稳定。家庭用户反馈用于6kW即热式热水器线缆微温，安全可靠。部分用户指出外皮稍薄，但未出现破损。整体好评率约90%，适合对价格敏感但要求合规的用户。","source_count":2}},{"source":"objective","score":81.65588176352705,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.6,"price":459,"wom_score":82.9}},{"source":"user_review","score":92,"weight":0.2,"confidence":1,"details":{"rating_avg":4.6,"review_count":5400,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["电工小刘：起帆4平方线做厨房主线，便宜又够用。","装修博主@省钱攻略：预算有限就选起帆，参数不虚标。"]}}]
• method_version：v3
• search_visual：null