... welcome trial order before mass production.1. Materials advice: silicone and rubber (EPDM, also NBR, SBR, CR, NR, etc),as your ... , from drawing, new tool designs to mold support and samples.New Clients’ Developing and Maintaining Procedure :(1) If you are enquiring us ... tool, the process is as follows:1.Clients inquiring the unit price and ask for samples. (We can send you the samples ...