Indoor-Outdoor Playground Equipment 1.unique designing 2.Meterial:LLDPE 3.Certification: ... plastic molding equipment, has three independent arms, the four-position full-rotation rotational molding machine, and can uniform product wall thickness ... , spiral slides), tudes(wave tubes, cured tubes, spiral tubes), staires, outdoor fitess equipments such as seesaw, swings, trampolines, ball pool, pentagonal ...