QINGQICHEN.QINGQICHEN was established on October 8, 2018, with its headquarters located in Hangzhou, Zhejiang Province. It is a technology enterprise specializing in the R&D, production, and service of electric heating technology and analysis systems. The company's core products include independently developed PPTC materials, self-limiting/constant-power heating cables, and corrosion-resistant heating sampling composite pipes. Its offerings extend to comprehensive system solutions such as electric floor heating systems, industrial instrumentation panels and cabinets, flue gas online monitoring (CEMS) projects, and thermal insulation engineering. Its products and technologies are widely applied across power generation, chemical processing, petroleum refining, environmental protection, construction, and civil healthcare sectors. By delivering integrated services spanning materials to engineering operations and maintenance, QICHEN is committed to providing efficient and reliable electric heat tracing and monitoring solutions for both industrial and civil markets.