• Oct 8 ,2020

Two methods to keep cylinder use for a long time Hydraulic cylinder is the heart of hydraulic system, so it is very important to know the ways to keep your cylinder use for a long time. 1) Anti rust. cylinder rod will be extent out during working process. So cylinder rod should be anti rust to prevent the oxidation. That is why cylinder rod will be chrome plating during production. 2) Change hydraulic oil from time to time. Beause the frequent use of hydraulic cylinder, it is inevitable that something will enter into the hydraulic oil. This contaminant will lead to friction inside cylinder tube. Besides,cylinder oil also has time limited. So hydraulic oil should be changed from time to time to safeguard the hydraulic cylinder.

• Sep 15 ,2020

“Ruili city in Yunnan province has locked down all border villages and blocked cross boarder movement after two imported COVID-19 cases from Myanmar were confirmed over the weekend. ”  said in China Daily. Covid-19 is still now still not disappeared. Everyone should be notice and take care of themselves. We wish our customers in Myanmar to live a healthy life and away from this pandemic. All family members are safe and well. Now local government has also stepped up efforts to crack down on illegal crossings. Hope this kind of situation will never happen again.

• Aug 3 ,2020

Hydraulic cylinder rod is an important part of hydraulic cylinder. we use raw materials of 40CR to produce hydraulic cylinder rod. This is also called hydraulic cylinder piston rod. Wekipedia said, the piston rod is typically a hard chrome-plated piece of cold-rolled steel which attached to the piston and extends from the cylinder through the rod -end head. In double rod-end cylinder, the actuator has a rod extending from both sides of the piston and out both ends of barrel. The piston rod connects the hydraulic actuator to the machine component doing the work. This connection can be in the form of a machine thread or a mounting attachement. The piston rod is highly ground and polished so as to provide a reliable seal and prevent leakage. Our producton process of hydraulic cylinder piston rod: 1) raw material of 40CR steel purchasing. 2) cutting according to the length. 3) rod heat treatment.(Tempering steel) HB-215-250 4) Induction hardened steel. HRC 50-62 5) chrome plating 0.03-0.05mm 6)rod finish machining 7) welding the Eye 8) painting the rod head.

• Jul 28 ,2020

2020  Construction Machinery Exhibition will take  place in Quanzhou city. Quanzhou city, located in Fujian province of China, is a seaside city in the Southeast of China. Here distributed more than 300  factories of producing spare parts of construction equipments.  For example, undercarriage parts, hydrualic cylinders. This exhition will hold in Chenghui International center of Nanan District on August, 8th, 2020. Welcome.

• Jul 21 ,2020

JDF has expanded the foreign market since years ago. We not only focus on domestic market, but also pay attention to the abroad. Until now, we have already exported to USA, Canada, Russia, Myanmar, Egypt,and India, etc. we  export Hydraulic Cylinder to Europe customers usually, too.

• Jul 15 ,2020

Wikepedia shows : Hydraulic Cylinder is a mechanical actuator that is used to give a unidirectional force through a unidirectional stroke. It has many applications, notable in construction equipment ( engineering vehicles), manufacturing machinery, and civil engineering. Hydraulic Cylinders get their power from pressurized hydraulic fluid, which is typical oil. The Hydraulic Cylinder consists of a cylinder barrel, in which a position connected to a piston rod movers back and forth. The barrel is closed on one end by the cylinder bottom (also called the cap) and the other end by the cylinder head (also called the gland) where the piston rod comes out of the cylinder. The piston has sliding rings and seals. The piston divide the inside of the cylinder into 2 chambers, the bottom chamber (cap end) and the piston rod end chamber (head end).