Precision-Engineered Power Transmission Solutions
As a leading chain and sprocket manufacturer in China, Hangzhou Donghua Chain specializes in high-performance ANSI standard sprockets that keep industries moving worldwide. Our 30+ years of engineering expertise ensures reliable power transmission for agricultural, industrial, and automotive applications.
Why Global Buyers Choose Donghua ANSI Sprockets
R & D system
Advanced research and development equipment, complete test facilities and laboratories have obtained CNAS accreditation certificate.
Superior Durability
CNC-machined from premium alloy steels (1045, C45)
Precision heat treatment (HRC 40-45) for extended wear life
Customization Ready
Stock sizes from 1/2" to 3" pitch
OEM services: special bore sizes, keyways, hub configurations
Laser marking for traceability
Quality Assurance
ISO 9001:2015 certified manufacturing
100% dimensional inspection
Salt spray testing available
Export-Optimized Service
20+ years exporting to 50+ countries
CE certified products
Specialty Design
Through professional design and effective product test verification. the product performance can meet the needs of users.
Products parameter
| Product name | Standard Sprocket |
| Tooth surface hardness | hardened tooth surface |
| Scope of application | Agricultural |
| Manufacturing method | rolling gear |
| Tooth shape | spur gear |
| Material | C45 Steel |
| Model NO. | 80B30HT,08B24T |
| European Standard Series | Sprockets&Platewheels Finished Bore Sprockets.etc |
| Asian Standard Series | Finished Bore Sprockets; Stock Bore Sprockets& |
| Amercian Standard Series | Steel Stock Bore Sprockets ;Finshed Bore Sprockets |
| Type | Circular Gear |
| Payment Terms | L/C, T/T |
Primary Competitive Advantages
1. Professional sprocket manufacturer
2.Experienced in Cooperate with big Companies
3. Professional sprocket engineering ability
4.Stable sprocket Quality
5.Reasonable sprocket Prices
6.Small sprocket Orders Accepted
7.Continuous sprocket quality improvements
8. High sprocket quality Performance
9.Short sprocket lead time and shipment
10.Professional sprocket service
The company is specialized in producing all kinds of standard chains and special chains, E. G. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc. In recent years, it invests the capital and depends on the improvement of technology to accelerate the step of new product development and the step of technology reform. It intends to produce high strength and precision chains in order to meet requirements of the domestic and overseas markets. We have enclosed our catalog, which introduces our company in detail and covers the main products we supply at present
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