The Marathon oxygen probe features a compact and lightweight design for easy portability and installation. It also comes in various models and specifications, allowing for selection based on different application scenarios and measurement requirements. In terms of packaging, we employ multiple protective measures such as shockproofing, moisture-proofing, and dust-proofing to ensure the product remains undamaged during transportation and storage. Summer is hot, but winter is not too cold. It's cleaner and quieter than many other cities. I believe my hometown will become more beautiful in the future. Welcome to Jinan.