1.19years experience,high quality, competitive price. 2.type:Single&Double flared stainless steel sleeve. 2.3.Various size. JINYOU stainless sleeve pipe fittings1. Very easy of ... ,50,63,75MM8. Used for fastening, joining, or reinforcement ,such as for facilities of cold water, sanitary hot water, and heating ect. High quality stainless steel sleeve pipe fittings