亚洲国产精品无码观看久久,一本一道久久综合狠狠老 ,手机在线看永久AV片免费高潮 ,无码看片,亚洲国产精品 久久,中文字幕无码天久久久,91久久精品日日躁夜夜躁国产,狠狠色噜噜狠狠色888777,色色视频网

Welcome to Luoyang Beiyuan Advanced Materials Technology Co.,Ltd
China
Alloy
Release time:2025-03-03 Source:Luoyang Beiyuan New Material Technology Co., Ltd

1. The better choice for pure biological porcelain is German technology, continuous casting process, and European quality

2. German technology, imported equipment, continuous casting process production

3. The product quality is stable, with no refractory residue and minimal impurities, meeting European quality requirements

4. Stable expansion coefficient, suitable hardness, compatible with all brands of porcelain powder on the market, and tighter bonding between metal and porcelain

5. Easy to melt, good water flow, high casting success rate

6. The casting has low oxidation, good toughness, high strength, easy polishing, and high brightness, making it easy to obtain a white and bright surface of the bridge crown

7. Free of nickel and beryllium, strong corrosion resistance, good biocompatibility, and guaranteed patient health

8. 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