We are looking for spare parts for compressor's head, exactly - piston rings set. One set of spare parts for repairing of the compressor's head includes 3 rings, each one with specific parameters: 1) first: external ring diameter =88.10 , width = 3.27 (2.90), height = 3.5 2) second: external ring diameter =88.20 , width = 3.05, height = 3.45 3) third: external ring diameter =87.80 , width = 2.40, height = 4 all the parameters are given in mm. We would like to inquire if you are able to supply above mentioned set of rings,and if the answer is positive then please let us know about the price and the minimum purchasing quantity. Thank you for considering our request! Looking forward to receiving your reply! 联系方式Co:UfaDorMash Tel:7 (347) 2928000 Fax:7 (347) 2928000 Email:koshkinna@mail.ru Skype:koshkinna 联系人:lga国家:Russia产品类别机械五金koshkinna@mail.ru