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Yu Kunyu鋳鉄排出鉄排水パイプシステムコーティングSML鋳鉄パイプ継手外部：平均乾燥壁厚が70ミクロンの2つの部分エポキシコーティング（赤茶色の色）内部：平均乾燥壁の厚さ70micronsの2つの部分エポキシコーティング私たちの標準厳密にはEN877標準に従って、そして当社の製品でさえEN877標準を超えることができます
2023/10/11
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.