Main Products : YKA, YKB, YKD type round block hole graphite heat exchanger, GH type floating head tube graphite heat exchanger, 5JK type rectangular block hole graphite heat exchanger; GX type tubular graphite falling film absorber, YKX round block hole type graphite falling film absorber, YKCH type graphite sulfuric acid dilution cooler, graphite pipe cooler, reactor, graphite pump; Bird cage, insert graphite cooler; Graphite packed tower, sieve plate tower, blister tower, quench tower, distillation tower; Graphite evaporation tank, reaction tank; Two-way anticorrosive graphite heat exchanger; Water jacket type, two in one by-product steam (hot water) graphite hydrogen chloride synthesis furnace (latest technical reform); A number of proprietary system technologies applied in graphite equipment: hydrochloric acid desorption system, hydrochloric acid desorption system, hydrochloric acid refining system, hydrochloric acid synthesis system, waste acid treatment system, HCI synthesis system, HCL adsorption drying system, steel belt pickling waste liquid recovery and treatment system, industrial tail gas treatment system, waste liquid containing hydrogen chloride incineration treatment system