Recently, the Weichai "Three High" test team arrived in Qinghai Golmud to open this year's high altitude test, and then the high temperature test will also be carried out in the Turpan area. Weichai products will once …
The pre-discharge lightning rod, also known as the pre-discharge lightning rod, is mounted vertically on the top of the protected body to prevent lightning strikes on the grounded metal rod system.
Lightning protection device consisting of lightning receptor, down conductor an…
Air respirators, also known as gas-filled gas masks, are sometimes referred to as fire masks. It uses a compressed gas cylinder as the source of gas, but the cylinder contains compressed air. Widely used in fire protection, chemical, shipbuilding, petroleum, smelting, warehouse, laboratory, m…