LZ-9 Gunning Machine/Dry-mix Shotcrete Machine LZ-9 is LEC large-sized shotcrete machine for the spraying process. LZ-9 can be used for large-section tunnel building, mine, etc LZ-9 is available in following versions: Basic: Electric drive can be combined with tyre chassis Extended (optional): Air motor drive or diesel drive combined with Skid or Rail-wheel

