Enterprises should improve the appearance quality of product spray, and can start from equipment, process, governance and many other aspects. However, no matter what product, advanced skills and crafts are essential. As enterprises pay more and more attention to workers' well-being, governments at all levels pay more and more attention to environmental protection, which makes the ability of consumer companies to adopt less investment and purify the spraying process. Environmentally friendly and efficient electrostatic spraying, powder coating and electrophoretic spraying will be the future direction of steel-lined PTFE spraying industry. However, due to the characteristics of the steel-lined PTFE spraying industry, air spraying and manual spraying will temporarily exist in engineering machinery spraying.