Bad $rs in GetUpdateSQL. Connection or SQL invalid. Try using $connection->debug=true;
Oxygen
Washing machine Electrolux W5250N
Polishing machine
Injection Molding Machine (Asian Plastic)
Forklift truck
Automatic Roll-Up Door
PVC wire mesh
CNC Machining Center,applicable for industrial profile processing
Cutting Machine Lathe Machine
Cable car
Scissor Lift