Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | Sample order: 7 days |
| Packaging Details | According to customer's requirement |
| Material | Steel |
| Shape | Spiral |
| Tooth profile | Gleason type |
| Processing | Grinding |
| Heat treatment | Carburizing,quenching, carbonitriding, high-frequency, quenching, tempering etc |
| Application | Industrial gearboxes and reducers, Heavy machinery transmission systems, Metallurgical and mining equipment |
| Brand Name | SJ, DH |
| Certification | ISO9001 |
| Place of Origin | Changsha, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | Sample order: 7 days | Packaging Details | According to customer's requirement |
| Material | Steel | Shape | Spiral |
| Tooth profile | Gleason type | Processing | Grinding |
| Heat treatment | Carburizing,quenching, carbonitriding, high-frequency, quenching, tempering etc | Application | Industrial gearboxes and reducers, Heavy machinery transmission systems, Metallurgical and mining equipment |
| Brand Name | SJ, DH | Certification | ISO9001 |
| Place of Origin | Changsha, China |
Helical Tooth Design
Improves load distribution and minimizes impact during meshing, enhancing transmission smoothness and noise control.
High Load Capacity
Designed for heavy-duty torque transmission in industrial gearboxes and reducers.
Precision Machining
CNC machining and controlled finishing ensure accurate tooth profile, pitch consistency, and reliable meshing performance.
Excellent Surface Quality
Smooth tooth flanks reduce friction, wear, and heat generation, extending service life.
| Precision Helical Gear – High Load Industrial Transmission Component | |||
| Material | 20CrMnTi, 20CrMo, 42CrMo, 45# etc |
Surface | Bright |
| Shape | Spiral | Pressure Angle | 20°, also can be customized |
| Tooth Profile | Gleason Type | Accuracy Grade | ISO 6-7 Grade |
| Processing | Grinding | Module (M) | ≤4 |
| Heat Treatment | Carburizing, quenching, carbonitriding, high-frequency quenching, tempering etc. | Application |
Industrial gearboxes and reducers |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha... Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha...
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