**Abstract**
As the company is upgrading its equipment, it has been decided to publicly auction 70 diamond press units currently in production. The following details are hereby announced:
1. **Subject of Auction**: A complete set of six-sided top pressure presses with a cylinder diameter of ø500 mm and a capacity of 6*2000 tons, along with spare parts. The working cylinder and ultra-high-pressure cylinder are made from 40CrNiMoA steel, while the hinge beam is constructed from 35CrMo. This is considered one of the most advanced presses of its kind in China. It operates at a working pressure of 110 MPa, offering stable performance. The current synthetic cavity size reaches up to 43 mm. These presses are widely used in the production of synthetic diamonds and related components, making them highly valuable for industrial applications.
2. **On-site Inspection and Registration Deadline**: August 31, 2013.
3. **Bidding Details**: Specific bidding procedures will be communicated separately.
4. **Contact Information**:
- **Name**: He Zhenghui
- **Office Phone**: 0398–2817209
- **Mobile Phone**: [To be provided]
For more information or to arrange an on-site visit, please contact the above person.
**Henan Jinqu Gold Co., Ltd.**
**Superhard Materials Branch**
August 12, 2013
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