Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Their coffee brush uses high-quality raw materials, and every incoming material will be inspected layer by layer to ensure the quality of the raw materials. Aoqun’s coffee brush manufacturing process is rigorous and serious, and random inspections…
Foreign friends wanted to challenge China’s bulletproof glass, then climbed up to a 45-meter high platform and threw a piece of iron felt from above. Although the glass shattered, it didn’t shatter like an ordinary glass, and the glass maintained…
Laboratory measuring instruments: Graduated Cylinder: Used to measure liquid volume. The cylindrical measuring tube test tube brush laboratory apparatus uses a test tube brush with a common cylindrical fan head to achieve better cleaning results. Aoqun…
Laboratory instruments for separating substance Funnel: Divided into ordinary funnel, long-necked funnel, and separatory funnel. Ordinary funnels are used to filter or transfer liquids to small-mouth containers. A long-necked funnel is used to inject…
Laboratory equipment that can be heated: Test Tube is a container used to hold a small amount of medicines, and to perform a small amount of reagent reaction at room temperature or under heating. It can be used to make or collect a small amount of gas.…
