Since 1975, Kin Long Company has been an innovative and professional company engaged in research, development and manufacture of fittings for point-fixed glass facades and hardware for doors and windows. Kin Long supplies fittings of high quality and provides consulting services to the door & window and curtain wall industry. 　 Kin Long is always your best and most reliable partner in supplying fittings for point-fixed glass facade systems and hardware for doors and windows.[...]