0:09 Laser source and optical cable installation 1:05 Water chiller connection 1:48 Gas bottle connection 2:44 Height control cable connection 3:10 QBH and laser head conection This video shows you how to install and use fiber laser cutting machine step by step. More information, please contact us. Email: [email protected] Wechat/whatsapp: + 86 13105418253 source