Membership level
There are four levels of iFidelity members：
Members meet the following conditions，Automatic upgrade：
a.Ordinary members（Quantity of products purchased＜2000，1year）；
b.Gold member（Quantity of products purchased＞5000,3year）；
c.platinum member （Quantity of products purchased＞10000,5year）；
d.Blackgold member（Quantity of products purchased＞20000,8year）
Benefits enjoyed by members of different levels when purchasing products：
a.Ordinary membersdiscount：0.95fracture
b.Gold memberdiscount：0.9fracture
c.platinum member discount：0.85fracture
d.Blackgold memberdiscount：0.8fracture
