​Mingtu is a company that makes Na-Ion batteries, which are changing how we store energy. These batteries are special because they use sodium instead of lithium, which is what many batteries use today. Sodium is found in salt and is cheaper and more abundant than lithium. This means that we can produce Na-Ion batteries more easily and affordably.

Ultra high vacuum flanges are important parts used in many scientific and industrial fields. These flanges create strong seals and are essential for keeping systems clean and free of air. A good surface finish on these flanges is vital. When a flange has a smooth surface, it can better connect with other parts. Companies like QiMing focus on making