Teching 219pcs 3D Metal Pumping Unit Model DIY Assembly Model Science Education Toy Gift Type_ENJOMOR® Brand Undercarriage: Auto

Undercarriage: Auto

-Rod made of stainless steel manufacturing

Suitable for various scenes of mud and sand

The surface is treated with electroplating technology

Teching 219pcs 3D Metal Pumping Unit Model DIY Assembly Model Science Education Toy Gift Type_ENJOMOR® Brand Undercarriage: AutoTeching 219pcs 3D Metal Pumping Unit Model DIY Assembly Model Science Education Toy Gift Note: gald to tell you that we have upgraded this pumping unit. we will send the new version (orange color) from now on. the new version is available now. click. Features: . Pumping Unit Model: A pumpjack is the overground drive for a reciprocating piston pump in an oil well. It is used to mechanically lift liquid out of the well if there is not enough bottom hole