xiamen oulusi energy saving mechanical and electrical co., ltd. is mainly engaged in: negative pressure fans, industrial exhaust fans, environmentally friendly air conditioners, workshop cooling equipment, factory cooling equipment, and factory ventilation equipment. it has a history of 15 years. the company adheres to the principle of "quality first, customer first". first" belief, selling products all over the country with superior quality and reasonable price.
www.xmofs.com history and culture 2025-01-10
engaged in fire ventilation, research and development, sales and installation _yunnan hengji ventilation equipment manufacturing co., ltd. is a comprehensive enterprise specializing in fire ventilation, r&d, sales and installation. it is a professional kunming fan manufacturer, sealing valve supplier, sealing valve wholesale manufacturer, industrial exhaust fan manufacturer, fire ventilation equipment manufacturer, hengji ventilation equipment is an equipment manufacturer that manufactures yunnan civil air defense ventilation equipment and yunnan fire ventilation equipment. it is also mainly engaged in: fire equipment, fans, fire dampers, sealing valves, fan mufflers, oil screen dust collectors, air outlets series etc.
www.ynhjtf.cn security and antivirus 2025-01-10