15kg 20kg 30kg fitness cast iron chromed adjustable dumbbell set with steel collars

Dumbbell Product Process

The production process of the dumbbell includes the following steps

1. selecting raw materials which comprise pig iron and natural rubber.

2. manufacturing a model of the dumbbell.

3. melting the pig iron in a high temperature, and casting the melted

pig iron on the model.

4. cooling and obtaining a semi-finished product.

5. polishing the semi-finished product, and obtaining a smooth dumbbell.

6. smashing, heating and melting the natural rubber, pouring the melted

natural rubber into the outer shell to conduct extrusion forming,

and obtaining the outer shell of the dumbbell.

7. nesting the smooth dumbbell into the outer shell of the dumbbell,

and obtaining a company.

Cast Iron Chromed Dumbbell Set

Feature:

a.easy to carry ,adjustable

bChrome plate
c.Handles are made of solid cast iron
d.Comfortable ,knurled handgrips ,
e.urable finish

Eric Sports Company Limited is one of main manufacturers in China mainland, who specialize in

professional produce sports products. Our products range from sports fitness .all kinds of dumbbell

.barbell .olympic sports .punching bags and so on .With more than 15-year export experiences we

have developed our customer service system with strong competition ability, which features as follows: