Qingdao Sonef Chemical Co.,Ltd is a professional manufacturer of NPK fertilizer and organic fertilizer products in China
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Our processing line located in Weifang city, which have biggest planting area of greenhouse in China. Meanwhile, the region is also a highest yield crop area with the highest technology for a lot of plants; the world's latest fertilizer manufacturing technology has also been used in the region. We carry out technical cooperation with China Agricultural University, Shandong University; Shandong Agricultural University established a technical cooperation, Chinese Academy of Sciences academician workstation, is the key technology center in Shandong Province, won 26 national patents.