Sunflower seeds Wanted

The requirements and specifications of edible sunflower seed:
-The seed is for plant,edible grain use,not for oil or eat directly.
-must be the crossbreed seed.
- Detail requirements are as following:
1.Stem height below 200CM,height range from 140CM to170CM is most favorite in China.
2.The output is over 250 kg/Chinese acres (3750 kg/hectares). By now already had varieties over 300 kg/Chinese acre performing the introduction experiment. The higher output the better sales expecting.
3.Seed dos shell long >=2CM,wide >=0.8CM.
4.Mature grain full,the seed kernel rate is high, seed kernel rate >=55%
5.The seed dos shell color is black salt background with white edge
6.Growth period is 90-105 days
7.The variety's suitability is good and is insensitive to the environmental variation.
8.The degree of uniformity is good,variation few;The comprehensive disease resistance is good.