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Sailing Electronic Technology (Hong Kong) Co, Ltd is located in Shenzhen City, Guangdong Province, It is specialized in operation of auto diagnostic products, GPS navigator
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Aitelong Technology Co, , Ltd is engaged in R&D, production and sales for communitcation network instrument and backup power supply maintenance &detection instrument,
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Zhangqiu Chaofan Forging Factory is located in Zhangqiu City, Shandong Province, Zhangqiu is famous for forging products, which is called "hometown of forging", The transportation is convenient