Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Zhejiang province, The company covers an area of 90 mu and has a production room of 60,000 square meters ，and have three sales companies in Shanghai, Beijing and Guangzhou.Has strong technology power，advanced equipmet，complete variety，stable…
We are professional manufacture of oil press machinery. Qifeng Machinery company was established in 1999,about 20 years experience of manufacturing oil press machinery. The main products are screw oil press machine, automatic hydraulic oil press machine,…
1. Working Principles: Taking advantage of the difference in absorption rate of infrared light between hemoglobin and surrounding tissues, it digitally displays a map of the vasculature on the surface of the skin in real time, allowing clinicians to…
1. Working Principles: Taking advantage of the difference in absorption rate of near-infrared light between hemoglobin and other tissues, it digitally displays a map of the vasculature on the surface of the skin in real time, allowing clinicians to verify…
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