Inquiry About nitrocellulose solution/liquid nitrocellulose

Dear Sir or Madam,
 
I am looking to replace Walsroder™ Nitrocellulose E 400 Isopropanol 30 % which is a low-viscosity nitrocellulose, damped with 30% isopropanol. I also want to replace NC WOLFF E560 I 30% and NC NOBEL DHX 8-13  30% ISO (1/4). And do you have an equivalent for those ?
It is for Nail Polish application.

For Walsroder™ Nitrocellulose E 400 Isopropanol 30 % :
Nitrogen content 	11.8 – 12.3* 	% 	NC-1.3 
Viscosity 	15.0 – 18.0** 	sec 	NC-3.1 
Quantity : 1 or 2 tons / order

For NC WOLFF E560 I 30% :
N determination  11.8-12.2 % NC-1.3
Viscosity, Cochius   34.0-37.0 s NC-3.1
butanol :n-butyl acetate(98/100%) :toluene, 10 wt% solution (dry basis) in
3 :4 :5
Quantity : 1 or 2 tons / order

For NC NOBEL DHX 8-13 30% ISO (1/4) :
Nitrogen Content % 	11.7-12.2 
Viscosity : 
8-13 poises at 20ºC in solution of 40g dry N/C per 100 ml of 95% Acetone. (SG 0.8097) 
Quantity : 1 or 2 tons / order