Laundromats are not only convenient but also highly profitable.

Starting with just an iron chain, relying entirely on pulling throughout the whole process #Log Grap

haoyongwujingongju

23 Views

Imported Bearings

moyuzhinai_02

12 Views

construction site

haoyongwujingongju

7 Views

Harmonic Drive Reducer

moyuzhinai_02

22 Views

A lock with hidden secrets

haoyongwujingongju

24 Views

I worked tirelessly and spent 15 days to build a "10 billion-level cross-sea bridge" in my vegetable

Chuangyimoxingjia

795 Views

[Miao Xiaoge's cartoon works] Cartoon car video cartoon engineering vehicle video children's educati

hoshirisa_04

187 Views

Car Disassembly Video

haoyongwujingongju

14 Views

The skilled workers' amazing work site at the speed bump installation!

jixiepangke

16 Views

Relying on self-made hydropower facilities, Uncle builds a perfect farmland irrigation system

Chuangyimoxingjia

630 Views

Thanks, master, you really have a wild imagination! It's better to have a clever mind than just brut

haoyongwujingongju

30 Views

Skilled workers at a satisfying job site~

jixiepangke

30 Views

How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

17 Views

Essential for the bathroom! There's a reason I'm recommending this to you

jixiepangke

14 Views

The amazing workplace of skilled workers!!

jixiepangke

120 Views

Spoon/fork: If I had known this was a bad factory

xiaokechibaobao

55 Views

No one can resist this multifunctional excavator. If you think it is not fun, wait and try it with a

YouTubejingcaishipin-

42 Views

You've never seen friction welding so perfect

xiaokechibaobao

44 Views

Pulling out tree roots does not relieve stress

haoyongwujingongju

13 Views

The magic of 9v battery

haoyongwujingongju

18 Views