In 2003, the first set of polyurethane energy -saving composite production lines were successfully developed;
In 2005, the first set of polyurethane continuous production lines exported to Kuwita Market;
In 2015, the continuous production line of polyurethane composite board began to apply in the cold storage construction industry for the first time;
In 2018, the continuous production line of polyurethane composite board was applied for the first time in the animal ranch construction industry;
In 2022, the composite board continuous production line equipment began application in the purification board industry for the first time.
At this point, polyurethane rock wool composite board production line business has begun to enter from the steel structure industry to a wider industry such as cold storage plates, animal husbandry breeding, and purification plates. The cumulative sales of the production line reached more than 200 sets, and at the same time spreading dozens of countries around the world.