1.Nominal dimension:13,20
2.implementation criteria
3.having the best stability in the process of freeze drying
4.with the mininum loss
5.having excellent sealing integrity
6.with the lowest permeability of gas and vapor
Hi,sir,Our products are good quality and the price is reasonable,we had exported our products to USA, Germany, UK, Canada, Mexico, India, Thailand and some Southern American countries.
the size and color can be both produced by your request,If you have any question,please let me know.