The knifes we produce have recognized by credible institutions such as the followings: 1 st SPECIAL FORCES GROUP (AIRBORNE) It is a unit of American Army; it gives its certificate of February 16, 1996, It used our knifes for its activities named "Special Forces Operational Detachment Alpha 186" in Cimahi, Indonesia.     LAPI (AN AFFILIATION INSTITUTION FOR INDUSTRY AND RESEARCH) OF INSTITUTE OF TECHNOLOGY OF BANDUNG It is an Institution for educational of technology that well known in Indonesia with which T. Kardin Pisau Indonesia has a cooperation for researching and developing industrial technology, particularly in manufacturing of knifes. It makes its certification of June 22, 1999.   KORPS PASUKAN KHAS WING III/DIKLAT It is a unit of Indonesian Army; it makes its certification of November 4, 2000, as its award for participation of T. Kardin Pisau Indonesia in activities organized by WING III/DIKLAT PASKHAS and usage of knife we produce in those activities.   MINISTRY OF HOME AFFAIR OF REPUBLIC OF INDONESIA It is a Minister of one of Department in Indonesia government, the certificate it gives on August 13, 2000, and signed by the Minister "Surjadi Soedirdja." It issues the certificate for our participation in national Exhibition of Appropriate-Objective Technology of 2000 in Bandung.