Incorporated in Oct. 1988, Hartron Communication (HCL), a joint sector company was promoted by Haryana State Electronics Development Corporation Ltd and Haryana State Industrial Development Corporation Ltd in association with Satvir Singh and Associates. HCL is engaged in the manufacturing and sale of C-Dot 128 P RAX (Rural Automatic Exchanges). It commenced commercial production in Jan. 1991 with production of 128 P RAX with C-DOT technology. In Mar. 94, HCL came out with a public issue at par for expansion and diversification project of the company. It proposed to broad-band its existing product lines of manufacture of 128P RAX with the introduction of 512 P SBM RAX - 424 lines, 512 P SBM RAX - 1000 lines, 512 P SBM RAX - 1400 lines and 10 CH UHF equipments. During 1994-95, HCL signed an MoU with World Automated System Productions (WASP) of USA for supply of 1 lac pagers per annum. The components would be imported from WASP and after assembly into pagers the same would be supplied back to WASP. HCL has decided to assemble and market note book computers and also to enter in other area in non-DOT business, in field of thermo electric coolers and group-EPABX.