含着她的花蒂啃到高潮,国产a网,国产亚洲一,www.av插插,91精品国产乱码麻豆白嫩,亚洲综合色视频,美丽姑娘国语版免费观看

Welcome to Luoyang Beiyuan Advanced Materials Technology Co.,Ltd
China
Nickel based steel tooth casting alloy
Release time:2025-02-17 Source:Luoyang Beiyuan New Material Technology Co., Ltd

The industry model material produced by patented granulation process, irregular but principled, porcelain free metal fixed restoration - Japanese alloy formula, produced by Beiyuan patented granulation process

The casting process is simple, easy to complete, and the operation is easy and convenient

Melting speed block, good fluidity, easy to obtain perfect castings

1. The oxide layer is soft, easy to polish, and easily obtains a bright white surface

2. Low casting temperature, energy-saving and environmentally friendly, high casting efficiency

3. After polishing, a dense passivation layer is automatically formed, which has strong corrosion resistance, good biocompatibility, and ensures the health of patients

4. Registered with the National Medical Products Administration and tested by the National Center for Disease Control and Prevention laboratory, ensuring safety

Previous article
Next article