Qingdao Hongyuan Heat Exchanger Co, ltd is one of the largest Graphite Equipment supplier in China. With more than 30 years manufacturing experience, we continually develop and provide quality-stable impervious graphite equipment to our customer We have strict system for product quality control on the basis of ISO9001, The staff of high-trained technical personnel is willing to provide practical, low cost solution for most process problems. Qingdao Hongyuan Heat Exchanger Co., Ltd is a high reputed by high quality, reasonable price and satisfied after-sale services. We warm welcome you visit our factory. Main products: •Impervious graphite heat exchangers (shell and tube, block, plate) •Impervious graphite hydrochloric acid (HCl) synthesis units & furnace •Impervious graphite sulphuric acid dilution plant (H2SO4 acid dilution coolers) •Impervious graphite falling film absorbers & gas scrubbers for HCl, HF, SO2, NH3 gas •Impervious graphite bubble cap towers, packed towers, scrubber •Pipes & Fittings: graphite lined pipes, elbows, tees, crosses, joint *****</p>