上海NTN精密机电有限公司生产设备二次配管配线工事

Shanghai NTN Corportion Co., Ltd.: Secondary piping and conductor arrangement for the production equipment

上海ＮＴＮ精密機電有限公司生産設備配管配線ﾕｰﾃｨﾘﾃｨ工事