Do you have a way to get confidentiality for our drawings per the requirements in agreement?

Yes, Initially, we will control the using of the drawings and documents customers provided strictly, won't disclose to any third party. 

If some workflows of the item have to be helped by our other long-term cooperated factories, we will let our customers know and attempt to get the approval from our customers in advance. Secondly, all the documents you provided are keeped by the sales representative secretly who you contact with. It doen't allow to leaf through drawings and document without the permission. 

Finally, The customers information is confidential, if there is the customers' information shown on the drawings, our sales representatives will cover them with a blank. we name a group of letters as the customers's name and write it on our production drawings. So Others including the machinists won't recoginize the information of customers.