
| Grade | Chemical Composition % | |||||||||
| Al≥ | impurities ≤ | |||||||||
| Si | Fe | Cu | Ga | Mg | Zn | Mn | others | Sum | ||
| Al99.9 | 99.90 | 0.50 | 0.07 | 0.005 | 0.02 | 0.01 | 0.025 | - | 0.010 | 0.10 |
| Al99.85 | 99.85 | 0.80 | 0.12 | 0.005 | 0.03 | 0.02 | 0.030 | - | 0.015 | 0.15 |
| Al99.7 | 99.70 | 0.10 | 0.20 | 0.010 | 0.03 | 0.02 | 0.030 | - | 0.030 | 0.30 |
| Al99.6 | 99.60 | 0.16 | 0.25 | 0.010 | 0.03 | 0.03 | 0.030 | - | 0.030 | 0.40 |
| Al99.5 | 99.50 | 0.22 | 0.30 | 0.020 | 0.03 | 0.05 | 0.050 | - | 0.030 | 0.50 |
| Al99.00 | 99.00 | 0.42 | 0.50 | 0.020 | 0.03 | 0.05 | 0.050 | - | 0.050 | 1.00 |



Nestled in the vibrant city of Taian, Shandong Province, Shandong Yien Import And Export Co., Ltd. stands as a beacon of excellence in the realm of metal materials manufacturing and exporting. With a treasure trove of experience, we offer a vast array of top-quality products including aluminum ingots, cathode copper, magnesium ingots, lead ingots, zinc ingots, cadmium ingots, and an exquisite selection of copper, cobalt, nickel, antimony, and tin products. Our remarkable reach extends across Asia, Europe, America, Africa, and the Middle East, underpinned by our esteemed ISO9001: 2000 and diso /TS16949 certifications. At the heart of our mission lies an unwavering commitment to forging enduring partnerships with every client. Our relentless pursuit of excellence has seen our business scale and product variety flourish. Boasting cutting-edge equipment and a dedicated technical team, we guarantee unparalleled product quality. Complementing this is our strong after-sales service, affirming our mantra: 'To survive by service, to develop by quality.' Engage with us today and experience our unbeatable prices, superior products, and heartfelt service. We eagerly anticipate building lasting relationships with new and returning clients!