Where can I buy Zaoyou 73 rice seeds?

Hunan Changde chemical fertilizer wholesaler. Chemical fertilizer wholesalers in Changde, Hunan, 700 to 1000 for early rice, 0/200 to 1500 for middle rice and 0/000, 20 18 105 for late rice, have higher order recovery. Hanyou 73 was developed by Shanghai Agricultural Biogene Center.