About Us
Shanghai Zhengyi Machinery Engineering Technology Manufacturing Co., Ltd.
Company Introduce
Shanghai Zhengyi Machinery Engineering Technology Manufacturing Co., Ltd. (CPSHZY) was established in 1997, it is the subsidiary of Mechanical & Electrical of Charoen Pokphand Group (CP M&E).
CPSHZY is specialized in manufacturing feed processing machineries and large-scale production of pellet mill dies over 25 years, as well as the provider of environmental protection system and solutions for feed plants and aquaculture farm. CPSHZY has obtained ISO9001 certification earlier and has a number of invention patents, as well as a high-tech enterprise in Shanghai.
To provide complete projects with overall superiority for customers, CPSHZY organically combines of efficient equipment, technical know-how, professional and high-quality design and services in project management and varying specific conditions. CPSHZY feed machines and environmental protection system are exported to overseas like Southeast Asia, Middle east, Africa and Latin American.
Our Production
Ring die Row material
Automatic Packaging Machine
Parts of Production Line
Rough Processing
Parts of Production Line
Pellet mill
Finished Ring Die
Main Processing Equipment
Drilling Tool
Vacuum Heat Treatment
CNC Machining Center
Vacuum Heat Treatment Furnace
CNC Vertical Turning
We have more than 2000 pieces of blank ring die in stock, covering all the ring die models in the group. Through high safety stock, we can reduce the blank ring die purchasing cycle, so as to ensure the supply capacity and delivery time of all group customers.
Quality Advantage
We Insist On Quality First
Using SJ210 Roughness tester to check the roughness of holes inside surface
| ZHENG YI HOLES ROUGHNESS STANDARD | |||
| Hole Diameter | Ra (Max) | Hole Diameter | Ra (Max) |
| ＜3 | 1.2 | 6.1~8 | 2.4 |
| 3.1~4.5 | 1.6 | 8.1~10 | 2.8 |
| 4.6~6 | 2.0 | ≥10 | 3.2 |