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Qingdao Sonef Chemical Co., Ltd is a professional manufacturer and exporter for fertilizers and technology in China. Established in 2004, we have built good cooperation relationship with many research institutes, such as Shandong Agriculural Universtity, Shandong University, Zhejiang University, Shenyang Agricultural University, as one work station of Chinese Academy of Engineering and as the main research center in Shandong Province. We have been awarded 26 national patents by authority. Our operation target is to increase the production yield, and at the same time to improve the crops quality, decrease the usage amount of fertilizers and agrochemicals, to provide more healthy food to human, and to lead the agriculture to a more green and sustainable development direction.
| NO | Type | Formular | Total Quantity of Elements |
| 1 |
Balance |
15-15-15 | 45 |
| 2 | 16-16-16 | 48 | |
| 3 | 17-17-17 | 51 | |
| 4 | 18-18-18 | 54 | |
| 5 | 19-19-19 | 57 | |
| 6 | 20-20-20 | 60 | |
| 7 |
High K |
12-11-18 | 41 |
| 8 | 12-12-17 | 41 | |
| 9 | 15-5-20 | 40 | |
| 10 | 15-5-25 | 45 | |
| 11 | 15-8-20 | 43 | |
| 12 | 15-9-20 | 44 | |
| 13 | Duck Shape |
16-16-8 | 40 |
| 14 | 20-20-15 | 55 | |
| 15 | High P | 11-19-15 | 45 |
| 16 |
High N |
21-17-3 | 41 |
| 17 | 22-9-9 | 40 | |
| 18 | 24-6-10 | 40 | |
| 19 | 24-9-9 | 42 | |
| 20 | 25-5-5 | 35 | |
| 21 | 27-6-6 | 39 | |
| 22 | 28-8-8 | 44 | |
| 23 | 30-9-9 | 48 | |
| 24 | 30-10-10 | 50 | |
| 25 | V Shape |
18-8-18 | 44 |
| 26 | 18-9-18 | 45 | |
| 27 | 19-9-19 | 47 | |
| Advantage | Can do special formula as you request. Also can add other nutrition element according to your request |
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