2021 Tuam Tshoj iav Expro hauv Shanghai. peb muaj ntau tshaj 50 tus neeg ua haujlwm koom nrog hauv qhov kev nthuav qhia no thiab peb lub rooj muag khoom txog 500 squiremeter. Sau npe feem ntau ntawm peb cov khoom xws li iav lifters, iav laminating tshuab, iav racks thiab hais txog.
