We are a hydraulic cylinder manufacturer specialized in marine, offshore, mobile and industrial cylinders.Having worked in numerous industries over theses years, our rich experience benefits us by knowing the most efficient way to solve our customers&＃39; challenges.Today we occupy 35,000sqm production space and have more than 400 workers. Our production volume is 100,000pc cylinders per year.We have abundant exporting experience to Asia, Europe, the United States, etc. We offer high quality products and services to customers worldwide.JW Hydraulic understands the importance of quality, and maintains the focus on producing cylinders of high quality and high installation cleanliness. As a result, our customers know that JW hydraulic cylinders are always excellent for applications that require durability and constant use, and where maintenance and repairs must be kept to a minimum.All of our production sites are ISO9001:2000 certified, covering the sales, development, production and service of hydraulic cylinders. Our welding technique is CCS and GL approved. The production is mostly carried out by CNC machines. The complete recording system for all material processing, production and inspections enables us to quickly track and solve any of our customers&＃39; problems. Because of our rich experience in marine and offshore applications, we often work with a number of regulatory certification agencies, including DNV, ABS, Lloyds, BV, SGS, GL, and CCS. OUR ADVANTAGES 1. Our cylinders are designed by CAD or 3D,and have been through ISO9001:2000 international quality system certification. Our production is managed according to ERP. These factors ensure our quality to be the top three in China. Warranty period for our cylinder is 2 years. For some special cylinders, the period is 5 years. All the drawings,records of production and inspection would be kept for 10 years. 2. We choose accessories according to customers&＃39; requirements. Usually, brands of seals are PARKER, MERKER or NOK, valves are SUN or REXROTH, bearings are LONGXI or SKF, displacement sensors are MTS or WALSH, and proximity switches are BALLUFF.3. The delivery speed is fast, the average delivery time is 30-60 days. Our annual quantity for hydraulic cylinder is more than 100 thousand pieces.4. Classifications include DNV,ABS,LR,BV,GL,CCS,RINA,KR,NK,RS.5. Our advanced producing equipments included DOSHAAN machine center, CNC Lather, TACHI scraping roller burnishing machine ect.6. Welding technology certificates from GL and CCS.7. High Precision: Honed Tube (Roughness of tube is 0.2um and straightness is less than 0.15/1000),Piston Rod (Plating thickness is 10-100 micron. Surface roughness is 0.2um and straightness is also less than 0.15/1000)The purity of hydraulic oil is NAS 6-9.8. We produce cylinders for some factories on an OEM basis, such as EATON, PARKER, REXROTH , MAC GREGOR, DANIELI, and so on.