EX30 TRACK ROLLER FOR HITACHI EXCAVATOR UNDERCARRIAGE SPARE PARTSQuanzhou Site Machinery Co.,Ltd.was founded in February, 2008 year .For more than six years'development,one of a professional for Undercarriage Parts,Hydraulic Oil Cylinder Enterprises for construction machinery(Excavator&bulldozer). Our company now cover an area of more than 40.000square meters,more than 3.000.000 RMB of the registered capital, and more than 100 staff. "Credibility First,Quality Advanced" is our business philosophy. Our company absorbs advanced technology equipment:Inspection Equipment,Drilling Machine,CNC-machine Lathe,Advancing Grinding Machine,Forging Plant,Network and Box-Type Heat Treatment Plant,Machining Plant,Assembly plant and etc.Stand-Up Rolling Mills and Horizontal Rolling Mills and several Flowing Equipments.We have strong forging and casting manufacturing capacity that produce good quality of the Undercarriages(Track Roller.Carrier Roller,Front ldler,Sprocket and Track Chains),Hydraulic Oil Cylinder with the brand of"STV".We are based on the spirit of development and innovation,market-oriented,technology-driven,cus-tomer-centric concepts,we welcome friends to cooperate together in the new period,take the opportunities,strengthen confidence,to create brilliant.Our market including Domestic Market, Europe,America,Middle East ,Southest Asia, and South America countries etc.We are taking all responsibilities for customers,warmly welcome to buy Site STV series products!