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                      2. Cylinder Heads made by Gravity Die Casting

                        Production Describe: Cylinder Heads
                        Place of Origin: Zhejiang Province, China
                        Application: Automobile and Truck parts
                        Product Material: Cast aluminum as drawings
                        Casting Process: Gravity Die Casting
                        Machining Methods: CNC Machining
                        Machining Tolerance: +/- 0.001mm
                        Max Size of CNC: 1600x1000x1000mm
                        CNC Machining Type: Four-axis Machining Center
                        Max Gravity Die Casting: 2000x1000x1000mm
                        Cores Description: Resin Cores inside
                        Leaking or X-Ray Test: As drawings
                        Heat Treatment: T5/T6 or As drawings
                        Certification: ISO9001:2015,ITAF16949:2018,ROSH,REACH
                        Supply Ability: 2000kg per Day
                        Min. Order: As Agreement
                        Price Item: EXW, FOB, CIF or others
                        Near Sea Port: Ningbo or Shanghai
                        Near Air Port: Yiwu or Hangzhou
                        Shipping: By Ocean or By Air as agreement
                        Payment Term: 50% deposit in advance, 50% balance by T/T after BL or As agreement
                        Standard: ASTM, DIN,JIS, EN, ISO, GB standards
                        Engineer Software: Pro/E,UG, Solidworks, Auto CAD, PDF
                        Inspection: Foundry in-house or Third Party
                        Reports: Component Elements Properties, Mechanical Properties Report, CMM Dimension Report Report or others as drawings

                         Product Description

                        A cylinder head includes a plurality of exhaust ports provided corresponding to a plurality of cylinders, and configured to converge outlets of the exhaust ports inside the cylinder head, at least one of the exhaust ports not being provided with a water jacket there above, and a pair of oil passages arranged so as to sandwich the at least one of the exhaust ports above which the water jacket is not provided. An inclined surface provided on an upper surface of the cylinder head and positioned between the pair of oil passages, the inclined surface being inclined from one oil passage, of the pair of oil passages, toward the other oil passage.

                        Dongrun is the professional manufacturer of Casting products which lies in Yongkang city,Zhejiang Province . Our factory was built in 1995, we have been in the casting industry more than 25 years. And we are experienced to deal with all different kinds of casting products . We have our good team, our engineers can offer exact price list in 48 hours after we get your drawings or samples.
                        Just one point: We are only special in CASTING & MACHINING

                        In short: We are such kind one factory that supply casting products according to your samples or drawings

                          Factory Cabability


                        1. Sand casting&Gravity casting&Low pressure die casting:
                            AC-42100/EN AC-42200/EN AC-43000/  EN AC-43200/EN AC-43300/EN
                            AC-43400/EN AC-44200/EN AC-44300/EN AC-46000/EN AC-46200
                        2. High pressure die casting:
                            A380/A390/A360/ADC10/ADC12/ENAC-43400/ENAC-44300/ENAC- 44400/
                            ENAC-46000/ENAC-46100/ENAC-46200/ ENAC-46500/ENAC-47100
                        3. CNC machining casting: 6061-T6/6063-T6

                        ServiceSand casting, Gravity casting, high pressure die casting,low pressure die casting and CNC Machining casting.

                        Equipment of Casting

                        1. High pressure die casting machining:125T/180T/250T/280T/500T/800T/1250T
                        2. Gravity casting machine: 7 production lines
                        3. Low pressure die casting machining: 1 production line
                        4. Sand casting machine: 6 production lines
                        5. Degassing equipment and opportunities to refine the material
                        6. Machining: 9 Sets CNC Machines; 5 sets Milling machines; 3 setsTurning machines; 20 sets drill and tap machines
                        Testing FacilitySpectrometer, Tensile test device, Hardness test device, CMM, X-Ray, Leaking test device

                        Precision Machining

                        CNC turning, Milling, Drilling, Grinding, Cutting, Reaming and Threading
                        FinishedPolishing, Sand blasting, Heat treatment, Painting, Powder coating, Anodizing, Electroplating, Chrome plating, Mirror polishing.
                        ProductsAll kinds of Cast aluminum productions: Including Vehicle industry,Medical device industry, Marine industry, Lighting industry,Oil&Gas Transporttation industry, Electric Utility & Communication Industries, Architectural industry and Furniture industry so on

                          Production Images


                        Cylinder Heads.jpgCrankcases.jpg48-5-2.jpg

                          Company Equipment

                        From Casting to Machining, One-stop Solutions for your designs


                          Packing & Shipping

                        Casting parts are very heavy, package must be strong. Our package material is wooden crate which is Fumigation free.
                        And we can pack productions as customers' requirements


                          Why Choose Us

                            ❖     More than 25 years in castings and machining process; so we have much experience for your projects.
                            ❖    Passed ISO9001 : 2015 & TS16949 : 2009
                            ❖    Have four casting types in our factory; you can find the four process in one factory, save cost for your company
                            ❖    From Casting to Finished surface, Owned casting, polishing and plating workshops, one-stop, We can offer Good quality and strict delivery time.
                            ❖    With samples and order: We can offer dimension report, Chemical composition and Mechanical properties
                            ❖    Control material with spectral and thermal analysis equipment (density and processing)
                            ❖    Spectral analysis of raw material and liquid melt, batch before casting.  
                            ❖    Transportation Advantage:
                                   A) Near Sea Port and Air Port-Ningbo Sea Port and Yiwu Airport or Hangzhou Airport;
                                   B ) From Shanghai to our factory by Fast train directly, takes two and half hours; From Hangzhou to our factory, only takes one hour



                        Q1. Are you trading company or manufacturer
                         We are factory, We are only doing cast aluminum and machining more than 20years, we have much experience in this industry. If you find some "factory" can do kinds of material castings(steel, iron,stainless,cooper.......), we are sure they are trading company. If you have other material castings to do, we can introduce for you free. It is our pleasure that we can help you.

                        Q2. How to get quotation from your factory?
                        老虎机大全  We need a 3D CAD solid model to prepare a First Quote interactive quote. All of the Firstcut processes are dependent on good 3D CAD solid models. Two-dimensional (2D) drawings are not adequate for quoting or making parts.

                        We can accept native SolidWorks (.sldprt) or ProE (.prt) files as well as solid 3D CAD models from other CAD systems output in IGES (.igs), STEP (.stp), ACIS (.sat) or Parasolid (.x_t or .x_b) format.

                        Q3. When can I get the price?
                         We usually quote within 48 hours after we get your inquiry. If you are very urgent, please call us or tell us in your email so that we will regard your inquiry priority.

                        Q4. How about your lead time?
                         1): Toolings &Samples
                         Sand Casting will take 15 to 30 days after receiving your advance payment.
                         Gravity casting, low pressure die casting, high pressure die casting will take 30 to 60days after receiving your advance payment.
                         2) Mass production
                         The specific delivery time depends on the items and the quantity of your order. 

                        Q5. Can you produce according to the samples?
                         Yes, we can produce by your samples or technical drawings. We can build drawings for you after we get your samples too.

                        Q6. What is your sample policy?
                         We can supply 1pcs sample free (value under USD15/PCS) after we finish as your drawings, but the customers have to pay the freight cost. If you need more samples, you have to pay the samples cost.

                        Q7. Can we use your current tooling? Or can we get samples which are shown on your website?
                          No, we can't do it.
                         We only accept OEM orders and do casting parts as your drawings or samples. We can't sell any production or design to any third body. We can't show any photos on website without our clients' allowance. We signed NDA with all clients, all tooling and drawings belong our clients. We only use the tooling to make productions for one client. The client can take way the tooling any time after tooling cost.

                        Q8. Do you test all your goods before delivery?
                         Yes, we have 100% test before delivery

                        Q9: How do you make our business long-term and good relationship? 
                         We keep good quality and competitive price to ensure our customers benefit ;
                         We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

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