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          Brief  Introduction

          Qinhuangdao Lian An Machinery Technology Co.,Ltd. is the professional manufacturer of Hydraulic tube processing equipment and fluid connectors.Equipments  are widely used in these hydraulic syste-m:construction machinery industry;shipyard building ;hydraulic system maintenance;pipeline enginee-r;aerospace and so on.With the development of technology,high-level products are more and more po-lular.With the requirement of marketing,we are always developing new equipments according to the needs of customer.At present......