Features:

Pumping Unit Model:  Precision casting and ingenuity. Every time assembly is an industrial reproduction. Pumping unit is a kind of machinery and equipment used to extract oil, commonly known as "kowtow machine", which uses pressure to get oil out of the well.
Metal: Made of metal material, CNC process precision casting, aluminum alloy oxidized color, real machine workmanship at the level of collection crafts.
Mechanical: The mechanical structure is classically presented, and the clear transmission process is clear at a glance, showing the beauty of the meticulous logic and powerful machinery.
Reality: Design prototypes based on historical classic inventions and products, presenting the core principles of machine operation, and intuitively showing the application value of the machine.
Classic: Product design is inspired by representative and nodal classic creations in the history of human industrial science and technology. Excellent works are modeled on a scale and highly restored.
Technology: 219 parts are all exquisitely polished by special abrasive tools, which interprets the wisdom and yearning of human beings in the era of big industry.
Assembly: You need to assemble the parts step by step. The whole process is close to professional assembly line craftsmanship, which is interesting and full of experience.
Age: Over 8 years old.

Details: