The CsTeC-DDV brand fast and high-precision air valve products is a universal high-precision valve product suitable for the petroleum and natural gas industries as well as other industrial fields. It can be adapted to various gas pipelines, power equipment, and customized products, playing the role of quickly opening and closing the gas path. It features high switching efficiency, convenient disassembly and assembly, strong adaptability, stable performance, and long service life. The CsTeC-DDV series of fast and high-precision air valve products were independently developed by the CsTeC research team over a period of 2 months based on market demand, integrating high-quality resources, adhering to the research and development directions of “high standards, strict requirements, internationalization, and multiple specifications”, exploring, boldly innovating, repeatedly correcting, and integrating comprehensively. The successful development of the CsTeC-DDV series of fast and high-precision air valve products marks another milestone breakthrough for the CsTeC research team in the “small but exquisite” product research direction, laying a solid foundation for the subsequent research and development of other related extended products by CsTeC. After relevant product compatibility tests and verifications, the overall performance of the CsTeC-DDV series of fast and high-precision air valve products has reached the international advanced level. The CsTeC-DDV series of fast and high-precision air valve is suitable for CsTeClepo OCTG inflatable thread protector and SuperGuard OCTG stand protector products. The CsTeC-DDV series of fast and high-precision air valve products have now entered the mass production stage.