Zhejiang Jiakejian Fire Engineering (浙江嘉科建消防工程有限公司), formerly Zhejiang Chunqiu Fire Technology and renamed in August 2023, installs, upgrades, maintains and tests fire systems across the Jiaxing area. Its services cover fire alarm, sprinkler, gaseous, foam, mechanical smoke-control and fire-separation systems, as well as fire design, approval and acceptance support, and the refilling and servicing of dry-powder, CO2 and heptafluoropropane extinguishers. Its clients include schools, universities, office buildings and industrial parks. It is registered with the Zhejiang Fire and Rescue Corps as a fire technical service institution for fire-system inspection and maintenance.