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Rail Transit Exhibition-BIG WALNUT
2023.07.19
Exhibition Invitation-BIG WALNUT invites you to meet The 23rd China International Petroleum and Petrochemical Technology and Equipment Exhibition· Beijing Time: May 31-June 2, 2023 Venue: Beijing-China International Exhibition Center (New Hall) Address: No. 88, Yuxiang Road, Shunyi District, Beijing Hall No.: E4 Booth No.: E4594
2023.05.25
From May 2nd to 3rd, 2023, the 16th Haixi Electronic Products Exhibition was successfully held in Quanzhou·Nanan Photovoltaic Chenghui International Trade Exhibition City Exhibition Center. This exhibition is the background of the current diversified application of professional wireless communication technology
2023.05.04
Exhibition Invitation-BIG WALNUT invites you to meet at the 16th Haixi Electronic Products Exhibition Time: May 2-3, 20223 Venue: Quanzhou • Nanan Photovoltaic Chenghui International Trade Exhibition City Exhibition Center Booth number: B24
2023.04.27
Joining hands with chemical companies to look forward to the future together - Big Walnut was invited to participate in the 2023 China • Jinan Chemical Industry Expo
2023.04.21
April 19-21, 2023, China • The Jinan Chemical Industry Expo was successfully held at the Shandong International Convention and Exhibition Center. The guiding unit of this exhibition is: Shandong Provincial Chemical Industry Special Action Office, and the sponsors are: China Council for the Promotio...
Exhibition Invitation | Petrochemical Industry Converged Communication Expert-BIG WALNUT invites you to meet at 2023 China • Jinan Chemical Industry Expo
2023.04.14
The use of explosion-proof mobile phones in flammable and explosive scenes
2023.04.06
With the rapid development of modern communications, mobile phones have become an indispensable tool for people's daily life and work. In many other occasions, such as "gas stations" and "inflammable and explosive places", you will find the slogan "No use of mobile phone...
Hard core intelligence creates a new generation of 5G multi-mode fusion intelligent explosion-proof handheld terminal, gathers technological strength, and joins hands with enterprises to create a smart future!
2023.04.01
rugged intelligent explosion-proof temperature measurement interphone
2023.02.17
In petrochemical, oil field tank farm, coal mining, fuel chemistry, rail transit, and air transportation scenarios, three-proofing smart explosion-proof mobile phones are commonly used, but in this scenario, patrol inspection work will often involve temperature measurement and intercom. Is there any...
BIG WALNUT Big Walnut B1-5G Three-Defense Smart Phone
2023.02.17
 We all know that the three-prevention mobile phone is the most widely used outdoor product equipment, because it can adapt to a variety of harsh environments. BIG WALNUT Big Walnut B1-5G tri-proof smart phone IP68-IP69K waterproof, dust-proof and fall-proof. It can be used normally no matter h...
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