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-Developed carbon sintered wire junction tube, which is resistant to high temperature and corrosion
-Developed a large round-hole graphite heat exchanger (100-500) square meters, which is impregnated with modified resin and has a life span of more than 8 years. It has replaced the large-scale tubular graphite heat exchanger with small structural strength (Hebei Shenghua Chemical Co., Ltd., Zhonglian Technology and other companies).
-Developed a large rectangular graphite heat exchanger with a lifespan of more than 8 years (used by Xin'anjiang Second Chemical Plant, etc.).
-Developed the largest specification SSL type graphite HCL synthesis furnace and SHL type three-in-one hydrochloric acid synthesis furnace with a positive pressure of 0.1Mpa (used by Tianjin Chemical Plant, Ningbo Electrochemical Plant, Xinyang Huayi and other manufacturers).
-Developed a modified brine filter to bring convenience to industries such as ion-exchange membrane caustic soda.
-Developed graphite equipment sewage treatment system (Shenzhen Environmental Protection Sewage Treatment Bureau, Zhejiang Jema Chemical).
-Developed graphite chemical pumps and graphite water jet pumps (used by Hunan Haili, Donggang Chemical Co., Ltd. and other manufacturers).