The head refers to the element used to close the end of the container to isolate the internal and external media, also known as the end cover. The head of cylinder descriptors is generally a rotating shell. According to the shape of the head surface, it can be divided into convex shape, conical shape, flat shape and combined shape. Convex head refers to the head whose outer surface is convex, such as semi spherical, elliptical, dished and non folded spherical head. Some gas cylinders adopt the combined bottom head with convex face inward, which can not only ensure the strength, but also meet the needs of safe use.

At the same time, we have also set up a professional international trade service team, with a sales network all over the world. With many advantages with North America, South America, Europe, Southeast Asia, the Middle East and Africa customers cooperation, and has been in Peru, the Philippines, Russia, Ukraine, Belarus, Uzbekistan, Pakistan, Indonesia, Malaysia, South Africa, Sri Lanka, Turkey, Vietnam, Laos, Brazil, Thailand, the Middle East, the United Arab Emirates, Morocco, Spain, the United States, New Zealand, Iran and other more than 30 countries.