Hongdo International Trade Co.,Ltd
We are specializes in designing and manufacturing & export Rubber O-ring,Mechanical Seals and Customized rubber products for customers.Our product manufacture to suit many applications with our standard compounds of NBR, FKM (Viton), HNBR, fluoro-silicone and silicone etc.
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Street address: Yuhua Street,East Area of Economic Development Zone,Baodi District Tianjin Tianjin Tianjin China
Mobile:86 - 022 - 59811696