As for piston type compressor,

especially for the structure, assembly and installation of inlet & discharge valves of J-series

and, is it possible for us to know the exact informations.

                                    Many thanks for your question,

                                    Inhale of inlet & discharge valves of J-series is not simple matter and therefore,

                                    we plan to report it on "Data room in our web site" after breaking up.

                                    Your kind reference on this matter afterward would be highly appreciated.