Hunan Haizhou Machine Manufacture Co.,Ltd

Hunan Haizhou Machinery Building Co., Ltd .is a professional manufacturer of piston rings in china .piston rings are provided within the range of 35 to 860mm,used in different marine diesel engines,diesel generators,compressors and various construction xxxxx materials of which are all kinds of Alloy cast iron,Vermicular cast iron,Nodular cast iron and Alloy nodular cast iron.