Large plastic water tanks for the production of rotational molding, one molding. such as plastic water tanks, plastic fishing boats, plastic wino, PE plus medicine box, plastic storage tanks, plastic drums, aquatic boxes and other large plastic products, product wall thickness, high durability, product size is relatively large. Production is more time-consuming.
The individual is huge. Blow molding Main production: chemical barrels, oil barrels and other plastic products, wall thickness, and size, relative to the rolling of plastic products, are relatively small. Price benefits. can be mass-produced.