the trademark of Dr. Zheng Dan 958 Corn Seed Gold is genuine. Dr. Jin's Zheng Dan 958 was awarded as "High-tech Product" by Henan Science and Technology Department. Dr. Jin's Zheng Dan 958 was produced by using Zheng 58, a pure inbred line provided by Mr. Du Chunxin and Zheng 58 property rights unit. The whole process of seed production was supervised and guided by Mr. Du Chunxin, a breeder. The seed packaging bag was signed by Mr. Du Chunxin and 883698 network digital anti-counterfeiting technology. Zhengdan 958 is a mid-early maturing single-cross maize variety bred by the Institute of Grain Crops, Henan Academy of Agricultural Sciences, with Zheng 58 as female parent and Chang 7-2 as male parent. Zhengdan 958 is suitable for planting in Hebei Province, Shandong Province, Henan Province, Anhui Province, Jiangsu Province, Shanxi Province, Beijing Summer Corn Region, Northeast China and Northwest China in China.