Горячая Распродажа оптовая цена контроль безопасности чистота газа 99.99% электронный гелиевый
- Категория: Elementary Substances >>>
- Поставщик: Jiangsu,Huazhong,Gas,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-16-2025 | 81.76 $* | 85.29 $* |
| Aug-16-2025 | 80.45 $* | 84.45 $* |
| Jul-16-2025 | 67.62 $* | 70.98 $* |
| Jun-16-2025 | 79.47 $* | 83.56 $* |
| May-16-2025 | 69.65 $* | 72.36 $* |
| Apr-16-2025 | 78.38 $* | 82.8 $* |
| Mar-16-2025 | 77.55 $* | 81.44 $* |
| Feb-16-2025 | 76.90 $* | 80.57 $* |
| Jan-16-2025 | 75.21 $* | 79.46 $* |
Характеристики
Specification | cylinder:40L/47L Valve:G5/8/ CGA580/ DISS718 Pressure:13.5MPa/ 13.5MPa |
Application | 1. In the semiconductor industry, helium is used as a protective gas for the formation of germanium and silicon transistors; 2. In space technology, it is used for replacement of liquid hydrogen filling system, extrusion source of satellite and rocket, gas source and helium refrigerator for automatic control engine; 3. Used for gas cooling medium and gas thermometer in nuclear reactor. |
Q : How much is your product? A: The price of our products depends on the number of the product and product specifications. If you are interested in our products, we look forward to you tell us your needs, we will reply to you. Q : How about the delivery time? A: Order 15 days in advance, delivery 7 days after receipt of order. Q : How to insure the aquality of your products? A: We are a professional gas company. We have passed iso9001:2015 quality management system certification and iso14001:2015 environmental management system certification. Q : How do you ensure the stability of your supply? A: We have two factories with excellent equipment and high quality control system to ensure the supply of products. |
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