  With more than 6 years of production experience, we have developed complete tillage machinery, plant machinery and harvesting machinery, such as tractors, disc harrows, disc plows, mowers, rotary tillers, deep plowing machines and more, featuring complete specifications, reliable quality and excellent performance. Our products are not only selling well throughout our country, but also exported to clients in Europe, Africa, the Middle East, Southeast Asia and other countries and regions. Our business integrity and quality have been highly recognized. Over the years, we have been awarded "Level A Tax Paying Company" and "Level AA Bank Credit Company".Â
Main specifications:
| Â Common Specifications of Disc | |||
| Dia. | Concavity  | Thickness | |
| MM | INCH | MM | MM |
| 255 | 10 | 12 | 3 |
| 305 | 12 | 19 | 3 |
| 330 | 13 | 25 | 3 |
| 355 | 14 | 38 | 3 |
| 410 | 15 | 38~50 | 3 |
| 430 | 17 | 57 | 3,4 |
| 460 | 18 | 38~60 | 3,4 |
| 480 | 19 | 57 | 3,4 |
| 510 | 20 | 44~63 | 3,4,5 |
| 535 | 21 | 63 | 3,4,5 |
| 560 | 22 | 60~85 | 4,5,6 |
| 585 | 23 | 75~90 | 4,5.6 |
| 610 | 24 | 75~95 | 4,5,6 |
| 660 | 26 | 86~115 | 5,6,7,8 |
| 710 | 28 | 100~130 | 5,6,7,8 |
| 760 | 30 | 120~135 | 6,7,8,10,12 |
| 810 | 32 | 120~140 | 8,10,12 |
| 910 | 36 | 120-200 | 8,10,12 |
| 960 | 38 | 120-200 | 8,10,12 |
chemical composition of our 65Mn steel
| composition | C | Mn | Si | S | P | Ni | Cr | Cu | Nb |
| contents % | 0.62~0.70 | 0.90~1.2 | 0.17~0.37 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.025 | __ |
Main Features:
      • Good Elasticity
      • High Hardness
      • Excellent Wear Resistance
      • Short Delivery time
      • Competitive price
    Main manufacturing process:
      (1)  Cutting materials
      (2)  Heat treatment
      (3)  Pressure type
      (4)  Quenching
      (5)  Tempering
      (6)  Baking varnish Â
There is an existing advanced productiion line of forging ,casting ,maching,heat treatmentÂ
in the company.The products export to Europe,America,Astrailia,Southest Asia and otherÂ
countries and regions all the year round and enjoy good fames in the user.
Â
  With more than 6 years of production experience, we have developed complete tillage machinery, plant machinery and harvesting machinery, such as tractors, disc harrows, disc plows, mowers, rotary tillers, deep plowing machines and more, featuring complete specifications, reliable quality and excellent performance. Our products are not only selling well throughout our country, but also exported to clients in Europe, Africa, the Middle East, Southeast Asia and other countries and regions. Our business integrity and quality have been highly recognized. Over the years, we have been awarded "Level A Tax Paying Company" and "Level AA Bank Credit Company".Â
Main specifications:
| Â Common Specifications of Disc | |||
| Dia. | Concavity  | Thickness | |
| MM | INCH | MM | MM |
| 255 | 10 | 12 | 3 |
| 305 | 12 | 19 | 3 |
| 330 | 13 | 25 | 3 |
| 355 | 14 | 38 | 3 |
| 410 | 15 | 38~50 | 3 |
| 430 | 17 | 57 | 3,4 |
| 460 | 18 | 38~60 | 3,4 |
| 480 | 19 | 57 | 3,4 |
| 510 | 20 | 44~63 | 3,4,5 |
| 535 | 21 | 63 | 3,4,5 |
| 560 | 22 | 60~85 | 4,5,6 |
| 585 | 23 | 75~90 | 4,5.6 |
| 610 | 24 | 75~95 | 4,5,6 |
| 660 | 26 | 86~115 | 5,6,7,8 |
| 710 | 28 | 100~130 | 5,6,7,8 |
| 760 | 30 | 120~135 | 6,7,8,10,12 |
| 810 | 32 | 120~140 | 8,10,12 |
| 910 | 36 | 120-200 | 8,10,12 |
| 960 | 38 | 120-200 | 8,10,12 |
chemical composition of our 65Mn steel
| composition | C | Mn | Si | S | P | Ni | Cr | Cu | Nb |
| contents % | 0.62~0.70 | 0.90~1.2 | 0.17~0.37 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.025 | __ |
Main Features:
      • Good Elasticity
      • High Hardness
      • Excellent Wear Resistance
      • Short Delivery time
      • Competitive price
    Main manufacturing process:
      (1)  Cutting materials
      (2)  Heat treatment
      (3)  Pressure type
      (4)  Quenching
      (5)  Tempering
      (6)  Baking varnish Â
There is an existing advanced productiion line of forging ,casting ,maching,heat treatmentÂ
in the company.The products export to Europe,America,Astrailia,Southest Asia and otherÂ
countries and regions all the year round and enjoy good fames in the user.
Â
Strength quality promotion group
Pedicure Chair Base,Bar Chair Base,Office Chair Parts Base,Aluminum Die Cast Chair Base
Ningbo Zongchi Machinery Technology Co., LTD , https://www.nbzcdiecastservice.com