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HPVC-double wall corrugated pipe
HPVC-solid wall pipe
(HPVC) porous integral pipe
HPVC-solid wall pipe (outdoor dedicated)
High-strength polyvinyl chloride

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Sand Pipe（CWFP）
HPVC
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Production base：12th Floor, Building 2, Zhijiang changjiu Center, Zhuantang Street, Xihu District, Hangzhou City, Zhejiang Province
Free hotline：86-571-63328628
E-mail:kaifabu@zjhfxcl.com

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中文字幕人成无码人妻综合社区-日本十八禁视频无遮挡-亚洲色婷婷六月亚洲婷婷6月-久久精品国产久精国产