On October 23, our American customers visited the production workshop of VIP board and insulated box respectively in Supertech Adavanced Material Co., Ltd. and it's subsidiary company (Supertech Cold Chain Co., Ltd.). Communicated and discussed in detail the production process, insulation box performance test, barrier bag, core material and other key materials in the research and development laboratory. The customer fully confirms the company's production scale, technical strength and the advantages of the insulation box, and is full of confidence for future cooperation. The picture shows the customer and the representative making on-site comments on our medical insulated box and 1.5L insulated container.