A deep symmetrical crushing chamber design technology that enables the crusher feed size, yield and broken than is maximized; 
 2, three-dimensional software to optimize the design parameters of the crusher, the crusher to achieve the optimal parameter ratio, weight of equipment is greatly reduced, production increased by more than 30%; 
 3, the bearing of the overall design, greatly reduces the difficulty of manufacturing of the device, greatly improve the bearing life; 
 http://www.psj521.com/Product-1.html4 the top of the movable jaw with a thick replaceable shield to prevent the movable jaw by the impact of the feed; 
 5, the wedge nesting population adjustment device jaw crusher maintenance 
 To guarantee the normal work of the jaw crusher, at the correct operation must be carried out planned maintenance, including routine maintenance checks, minor repairs, repair and overhaul. 
 http://www.hnzpjx.com/Product-31.html 
 (1) minor repairs to the main content adjustment device including inspection and repair, adjust the gap of the discharge opening, lining a U-turn or replace worn. Check the transmission part of the lubrication system in a timely manner with the change lubricants. Minor repairs cycle for about three months. 
 http://www.zzzpjx.com/Product-18.html 

 (2) repair at a small repair work, including the replacement of the thrust plate, lining, check and repair the bearing. In the repair cycle is generally about 1 to 2 years. http://www.hnzpxl.com/product/xkscx.html 

 http://www.zhishaji521.com/Product-31.html 
 (3) The overhaul of the Department to conduct repair work, but also including the replacement of turning the eccentric shaft and the the Hubei heart axis, casting rod head of the Department of babbitt, replace or repair a worn parts. Overhaul cycle is generally five years or so. Call, please contact; 0371-64965688 13938527164 (24 hours a buttoned: the 1,043,380,714 companies website http://www.hnzpjx.com http://www.posuiji168.com Sand total net: http://www.hnzpxl. com Sand website: www.zhishaji521.com Sand website: http://www.zzzpjx.com metal grinder thematic networks: www.zsj521.com separator website: http://www.xsj521.com thematic network of sand and gravel production line: the topic www.psj521.com sand: www.zzzpxl.com sand washing machine www.xishaji168.com http://www.hnzpjq.com beneficiation equipment: www.zpxljq.com www.hnxljq.com Address: Zhengzhou City, Cheng Sheung Yu Long Industrial Park (Soviet Union)