The working process includes crushing,Calcining,Buffering silo, Grinding and storage, dust collector,heating resource, Plaster powder preparation,packing,production control and lab etc.9system.
A: We are factory.
A: Generally it is 90 days. It is according to different situation..
A: Yes, we could offer the sample but we do not pay the cost of freight.
A:L/C or T/T.If you have another question, pls feel free to contact us as below: