In order to provide comprehensive refractory engineering services to customers, Changsha Hengan Engineering Technology Co., Ltd. , a professional kiln company, was registered and established in Hunan in 2017. Changsha Hengan Engineering Technology Co., Ltd. is a national high-tech enterprise and a general contractor for refractory engineering systems. It has various qualifications for refractory material general contracting and can provide engineering general contracting services such as refractory material selection, design, installation, and maintenance. At the same time, it optimizes refractory material configuration, improves the synergy between refractory materials and processes, increases kiln operation rate, and provides customers with comprehensive nanny style services.