Zhengzhou City Hongxin Mining Equipment Co., Ltd. is a professional manufacturer and friendly district coal briquetting machine, press the ball machine models can be customized, roll paper width coal briquetting machine sales price, according to Som ball groove the number of design in the shape of customer requirements, in accordance with the principles of design of mechanical power machine, with the right motor, suitable pressure pump and preload screw. Zhengzhou City Hongxin Mining Equipment Co., Ltd. sincerely for your service. 082015041003 Zhengzhou City Hongxin Mines Ltd. to plant route: Which price Zhengzhou Economic Development Zone west Xingyang Longgang Zone Old Town Best coal briquetting machine, you are welcome to visit! Pressure the ball machine shop display showing a hydraulic protection device is a high-pressure pump oil into the cylinder, the piston axial displacement. Former head of the piston rod connected to the bearing housing pressure to meet production requirements. When the intake material between the roll into the metal block excessive or hydraulic cylinder piston rod pressure overload, the pump will be shut down, the accumulator pressure change by a dampening effect, the relief valve to open the oil return, the piston rod displacement so increase the gap between the pressure roller so hard object by the pressure roller briquette press ball machine equipment type, system pressure returned to normal, can protect the pressure roller is not damaged. The machine can adjust the pressure according to pressure the ball density requirements and production flexibility. Coal briquetting machine equipment models _ _ Hongxin coal briquetting machine mining equipment from Zhengzhou City Hongxin Mining Equipment Co. Zhengzhou City Hongxin Mines Ltd. (www.hxyqj.com) strong, credible, in Zhengzhou, Henan crushing grinding equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hongxin mining equipment into the brilliant and you work for a better future!