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Daowan's high-precision CTD attracted much attention on the "Aoshan Forum"
Access number:884release time:2019-01-17

On January 17, 2019, the 52nd "Aoshan Forum" Marine Sensor Innovation and Development was held at the Academic Exchange Center of the Marine Pilot National Laboratory. Nearly 200 experts from more than 50 domestic universities, colleges and enterprises participated in this meeting, which was a high-level, interdisciplinary and high-level academic exchange conference.

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As the first private high-precision CTD manufacturer in China, Daowan was invited to participate in this forum.

The conference was addressed by Director Pan Kehou of the Ocean National Laboratory, and the theme of the forum was introduced by Chief Engineer Tang Junwu of the Ocean National Laboratory. Academicians Yao Jianquan, Academician Lu Jianxun and experts in many fields gave wonderful reports on the latest research progress in their respective subdivisions. Professor Zhou Huaiyang of Tongji University detailed the sensor requirements and challenges of the seabed observation network.

During the meeting, Daowan ’s high-precision CTDs received the attention of top experts in many fields, including the Institute of Oceanography, Chinese Academy of Sciences, National Marine Technology Center, Institute of Marine Instrumentation of Shandong Academy of Sciences, and Institute of Semiconductors, Chinese Academy of Sciences.


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The experts paid a special visit to the headquarters of Daowan located in Qingdao Blue Silicon Valley, which was warmly received by all the employees of the company. Mr. Howard Chang, founder of Daowan, introduced the company's development strategy and operating status in detail to experts.


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With the slogan "Do Chinese own high-precision CTD", Daowan is committed to building the highest level of high-precision CTD in China. Daowan owns 100% independent intellectual property rights, and has fully mastered the core technology of thermo-salt instrument such as circuit design, sensor packaging, sensor calibration, and deep-sea pressure-resistant packaging of the whole machine, breaking the situation of international brands monopolizing the Chinese market.


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Experts praised Daowan's achievements in just over a year.


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Mr. Howard Chang, founder of Daowan, also said: "Daowan is a very young private enterprise with limited resources in all aspects. Therefore, since its establishment, we have only focused on the development and manufacturing of high-precision CTD. At present, sensors: The temperature sensor and the electromagnetic conductivity sensor have been completely developed and packaged independently. The pressure sensor is selected from a domestic brand. For the package: we mainly use a titanium alloy shell with a pressure-resistant depth of 2000 meters; for the circuit: completely independent development and design; raw material procurement Aspects: Except for a few individual chips, all other components have been purchased domestically, and the localization rate of the whole machine has reached 99%. At present, the external nominal accuracy of each of our sensors is: temperature ± 0.01 ℃, conductivity ± 0.02mS / cm , Pressure ± 0.1% FS. At this stage, Dawan ’s CTD is mainly suitable for near-shore marine hydrological survey and research. We will continue to increase investment in research and development, and gradually improve the measurement accuracy and long-term stability of each sensor to meet the deep sea survey Demand.

Thank you very much for your attention and support to Chinese private enterprises, and hope that Daowan's development can get the strong support of all experts. Dao Wan will go all out, actively respond to the "Made in China 2025" national strategy, and contribute all his strength to China's high-end marine equipment manufacturing industry. "

Experts have high hopes for Daowan to develop domestic high-precision CTD, and have put forward many valuable opinions. All my colleagues at Daowan must be down-to-earth, move forward and move towards a higher goal!