This technology has applied for a patent for the preparation process of 2-chloroacetaldehyde oxime. Please respect the hard work of the R&D personnel. Before obtaining authorization from the patentee, it is only for technical research reference and shall not be used for commercial purposes. This patent is suitable for technical personnel to use as a reference for technical research and development, to increase technical ideas, and to reserve technical knowledge. It is not suitable for citation in papers.