Play excavator left joystick controls the operation of two four-valve, push open the front handle manipulator arm hydraulic front chamber supply valve, the front chamber into the oil, while the rear cavity oil through multi-way valve back to the oil port back into the tank , arm cylinder contraction, driven by rising action arm complete; pull the handle to open after hydraulic manipulator arm rear chamber supply valve children's indoor play equipment, used oil into the rear chamber play equipment, while the front chamber oil via multi-way valve back port back into the tank, arm cylinder extends drive arm lowering operation is completed; left handle left to push the play equipment, open a hydraulic motor inlet valve, push leftward rotation of the rotary table, the left and right push handle, achieve rotation table and right direction. Children excavator popularity beyond the ordinary play equipment. If you go to look for the reasons, nothing more than the parents of the children now care program to improve social elements diversification, the children's cognitive rich in entertainment brains, as long as it is good for children, for the parents, if there is just as there are, they'll like, and more willing to let the children play these things. In a tone difference questionnaire, 100 parents, there are 67 people chose educational learning, physical exercise aspect. Less than 20 people chose the color, style and so on. We can see, parents are still the best hope the children can learn when you play something, rather than to play. Fat city amusement equipment, Lu Jiate machinery and recreational equipment provided by the Precision Machinery Co., Ltd. Shandong Lu Jiate. Fat city amusement equipment, Lu Jiate machinery and recreational equipment company Shandong Lu Jiate Precision Machinery Co., Ltd. (www.lujiate.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Zhang.