A Vladimir from Russia sent us an enquiry, saying that they wanted to find a test tube for the fermentation tubes in their lab. However, because their fermenter is extremely small in size and can't find a suitable tube brush on the market, he hopes that we can customize a surgical instrument cleaning brush kits for him to solve this problem.

After receiving the information from Vladimir, our sales engineer Roger learned about the size of the fermented test tube: the test tube has a diameter of only 6 mm and a total length of only 30 mm. The appearance is the same as that of a normal test tube, but it is particularly small. Roger and Vladimir said: Don't worry, Proud is a manufacturer specializing in the production of high-quality, high-volume custom-made brushes with 11 years of experience. Our team will make customized solutions within 8 hours. When I was a child, I was able to customize a small test tube for his test tube according to the size of the Vladimir test tube: 6mm in diameter and 50mm in total length. The surgical instrument cleaning brush kits is made of soft nylon wool. The hair is short and soft, which is very good. Clean the small test tube.

One day later, we sent a sample of the small test tube to Vladimir, and he cleaned the small tube immediately after receiving the sample. Vladimir told us: "The brush is small, but it can be cleaned to our small test tube. We are very satisfied. We don't have to worry about cleaning the small test tube without a brush."The next day Vladimir decided to purchase 10,000 surgical instrument cleaning brush kits.