河南鑫福集团开发成功了一种能够自调间隙的新式活塞环。它具有节能、环保、增加动力、延长发动机使用寿命等突出特点 ,对世界内燃机活塞环的“早磨、漏油、漏气”百年顽症具有重大突破 ,在国内外都获得了专利。该活塞环在国家有关权威机构进行的相当于 8吨解放卡车行驶 12万公 Henan Xin Fu Group successfully developed a self-adjustable gap of the new piston ring. It has the outstanding features of energy conservation, environmental protection, increased power and prolonged engine life. It has made major breakthroughs in the world’s “piston grinding, oil leakage and air leakage” in the past decades and has obtained patents both at home and abroad. The piston ring in the relevant state authorities carried out the equivalent of 8 tons Jiefang truck driving 120,000