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九游官网网页版| english |
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beijing tech brief contact news
beijing tech instrument co.,ltd.is located in beijing, china. beijing tech designs, engineers, and manufactures four series of products as optical instruments,
bio-medical instruments, photographic equipment and environment equipment. beijing tech is recognized around the china and the world....
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 beijing tech instrumentaddress：no. 11 taoyang road, yongwai, chongwen district, beijing 100075 china tel： 010-6726-9192 fax： 010-6726-9238 site：http://www.cnbeijingtech.net email: beijing tech inst... beijing tech inst... beijing tech inst... welcome to visit ... welcome to visit ... welcome to visit ... |
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