Mr. Kristiyono, ST (Project Manager)
e-mail : kristiyono@langgengciptalindo.com ; kristiyono88@gmail.com

Mr. Afandi (Customer Sales Support and Administration)
e-mail : admin@langgengciptalindo.com

West Java Office & Workshop:
Jl. Sampora, No. 11 RT. 02/01 Nanggewer Mekar, Cibinong, Bogor 16912

East Java Office:
Ruko Bukit Permata Sukodono, Blok A No. 4,
Jl. Raya Sukodono, Sukodono, Sidoarjo 61258, East Java
Phone/Fax : +62-31-99037230