
A vertically-integrated factory engineered for output and quality.
Cutting, bending, welding, assembly and testing — everything happens inside our Ningjin plant.
Inside the HONGYOU plant in Ningjin, Shandong
Aerial views of our national high-tech enterprise headquarters and workshops A1 / A2.




Modern equipment, traceable quality.
International-grade laser cutters and CNC press brakes feed our robotic welding cells. Every chassis, guard and frame is built to a CAD spec then sampled by QA before paint and assembly.
From steel plate to finished machine — every step under one roof.
Cutting, bending, welding, painting, assembly and testing on our own production lines.





























15 engineers. 20+ patents. University partnerships that turn into products.
Our R&D team includes 8 engineers with 10+ years of agricultural machinery design experience and 4 more with 8+ years. We collaborate with China Agricultural University and Shandong Agricultural University on the Shandong Modern Agricultural Industry Technology System project for tuber-crop harvesters.
- Small farmland stone picker co-developed with CAU, now in mass production.
- Joint work with SAU on the Shandong tuber-crop harvester programme.
- 20+ utility-model patents on stone pickers and tuber harvesters.
