rheum series pe

quantity: 10metric tons
specs:50%-98%

payment method: l/c
rheum series pe
botanical source: rheum palmatum
l.or rheum tanguticum maxim. ex
balf.or rheum officinale baill
a:emodin:specification 50%-98%
b:rhein: specification 50%-98%
c:chrysophanol: specification 5%-
70%
d:physcion: specification 20%
e:aloe emodin: specification 8%