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.
Our gold sales customer service Mary responded promptly after receiving the customer email within 1 minute. Knowing the size of the test tube washing brush and the head treatment before ordering, we found that the head treatment of the test tube washing brush was very sharp and the reserved length was very long. We recommend reducing the reserved length of the head of the test tube washing brush from 4mm to 2.5mm. At the same time, the head of the test tube washing brush is specially treated to avoid being too sharp and scratching the equipment. Mary also sent a comparison video with and without special treatment to the head to Tim. Tim is very satisfied with our professional suggestions and video results. He also paid usd90 sample customization fee. We will send the samples after 3 days.
