Gelonghui, March 22丨Chaozhuo (688237.SH) said on the investor interactive platform that cold spray solid additive manufacturing technology can be applied in a wide range of applications, can be used to prepare almost all pure metals and their alloy materials and coatings such as some metal-ceramics or metal-based composites, and can also form coatings on the surface of substrates such as metals, ceramics, plastics, etc., and can achieve homogenous/heterogeneous material connections, multi-material composite coatings, nanomaterials, etc., with almost no restrictions on specific application carriers. The company has not yet carried out low-altitude aircraft related business.