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JINAN ZHENGHANG BEARING CO.LTD was founded in 1986, is located in shandong, provincial capital city - "the city of springs, jinan, is a collection of bearing research and development, production and domestic. External trade science and technology innovative co***ny, the development of E type bearing products to fill the domestic blank, its technical content reached the level of similar foreign products, and at the same time my co***ny and production and sales standard and non-standard double row spherical ...
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