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We specialized solar water heater part more than ten years , we main supply tube holder ,ourter holder ,tube bracket , inner and outer water seal , seal loop ,water seal ,adapt for diameter 47mm 58mm 70 mm vacuum tube .Every year we supply more than 1000 million set solar water heater . Include seal loop ,tube holder ,dust loop ,silica brand and we accept OEM order under the material silica or pvc or similar material .
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