excavator hydraulic cylinder

We are one of the biggest hydraulic cylinder manufacturer in China, specialized in design, R & D and manufacturing of hydraulic machinery products etc, with its annual production capaciy of 200000 sets.My company with 600 employees in it ,covers an area of 180000 square meters.There are 700 sets of mnufacturing equipment .   WHY CHOICE OUR FACTORY? Reason 1: 18 years manufacturer experience .You can buy from manufacturer directly , control delivery time ,control quality based on competitive price!!! Reason 2: Guarantee the quality from the raw material. We have cold drawing production line and nickel-chrome electroplating production line , so we can produce cold-drawing pipe and hard-chrome pipe used for hydraulic cylinder. !!! Reason 3: After service :If the quality can’t meet your requirement ,we will pay all your lost and offer technical support to solve your problem!!! Reason 4: Import seal kit, Parker from USA , Hallite from Britain , NOK from Japan , Trelleborg from Sweden  ,Merkel from Germany,etc!!! Reason 5: OEM and ODM!!!     1. excavator hydraulic cylinder parameter      excavator hydraulic cylinders -boom cylinder , arm cylinder , bucket cylinder Komatsu,Cat,Hitachi,Hyundai,Kobelco,Kato,Sumitomo,Doosan,Volvo   1. Hydraulic cylinder is the most important component in hydraulic systems, it will transfer hydraulic energy into mechanical energy, and is matched with various transmission mechanism, to complete a variety of mechanical motion. 2. Hydraulic cylinder has the advantages of simple structure, large output force, stable and reliable performance, easy maintenance, wide application.       

cylinder diameter (mm)	piston rod diameter (mm)			max stroke (mm)
40	20	22	25	500
50	25	28	32	600
63	32	35	45	800
80	40	45	55	2000
90	45	50	63	2000
100	50	55	70	4000
110	55	63	80	4000
125	63	70	90	4000
140	70	80	100	4000
150	75	85	105	4000
160	80	90	110	4000
180	90	100	125	4000
200	100	110	140	4000
220	110	125	160	4000
250	125	140	180	4000

      2. excavator hydraulic cylinder showcase        3. excavator hydraulic cylinder produce line 700 sets manufacturing equipment,such as cold drawing production line ,heat treatment production line ,surface treatment production line,testing equipment,various digital-control machining equipment,gantry style linear electroplating production line.      4. excavator hydraulic cylinder quality guarantee system   Program before Delivery 1. Trial Operation Test 2. Start-up Pressure Test 3. Pressure-Tight Test 4. Leak Test 5. Full Stroke Test 6. Buffer Test 7. Testing the Effect of Limit 8. Load Efficiency Test 9. Reliability Test Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test.   Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.         5.certificates