Refurbishment of old barrels has always been a common concern in the iron barrel industry, whether from technology or from the source of old barrels and the sales of refurbished barrels. Because it is a metal packaging, different from other disposable packaging products, its material is more durable and can usually be reused many times.

At present, the annual production of 200L iron barrels in the Chinese market is about 80 million, which shows that the Chinese market potential for refurbishment of old barrels is huge. And now the world's energy is increasingly tense, and more emphasis is placed on the reuse of resources and the protection of the environment. If more than half of the old iron drums can be reused through technical treatment every year, it will be very beneficial to natural resources and environmental protection.

At present, China's old barrel refurbishment industry has not invested much in technical research. In the future, it will focus on the research and development of old barrel refurbishment equipment and technology update. At present, there are many enterprises specializing in the refurbishment of old barrels in China, but they are scattered. Most of them are large in scale and have limited technical level. The standardization of iron barrels in China is also quite different from the international standard in size. There are difficulties in automated production, coupled with the low level of production efficiency, the labor intensity of workers, and the lack of competitiveness of refurbished steel drum products. In some specific areas, the old barrel refurbishment market is very active, but Due to the influence of equipment and technology, many small enterprises are still difficult to form large-scale and industrialization.