Welcome to Changsha OH Sci Tec.&Co.Ltd, China. Our factory is located in Zhongshan city Guangdong Province, factory covers an area 4000 square meters and have I S O 9 0 0 1 certificate.
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Welcome to Changsha OH Sci Tec.&Co.Ltd, China. Our factory is located in Zhongshan city Guangdong Province, factory covers an area 4000 square meters and have I S O 9 0 0 1 certificate.