成都雨水波纹管批发,成都预应力金属波纹管,成都市政波纹管
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| description | 成都联名管业是一家以生产、研发、销售为一体的专业钢波纹管涵实业公司，包括:预应力金属波纹管、下水道波纹管、聚乙烯波纹管、雨水波纹管、市政波纹管等，长期专注于成都电力、排水、排污等领域管道的研发、推广和应用。 |
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成都聚乙烯波纹管,成都下水道波纹管,成都雨水波纹管,成都预应力金属波纹管,成都市政波纹管 |
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| update time | 2026-01-02 22:20:40 |
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