SHENZHEN LONGHUI SANHE SAFETY TECHNOLOGY GROUP CO.，LTD.

Shenzhen Longhui Sanhe Security Technology Co., Ltd. is a wholly-owned subsidiary of Longhui Sanhe Safety Technology Group, a leading enterprise in China's fire protection industry. The company was found in 1998 and specializes in the research, design, manufacturing, and service of fire doors and windows, as well as fire-resistant materials. It operates from a production base exceeding 20,000 square meters, focusing on the manufacture of fire-resistant doors, fire windows, and fire shutter doors for public building areas; interval fire doors and sealed fire doors for rail transit; high-end entry safety doors; steel-aluminum composite fire windows; waterproof fire doors; and explosion-proof fire doors among other specialized fire doors. All products comply with the latest international and Chinese national standards.The company adheres to international standards, including ISO9001 and GB/T50430 quality management systems, ISO14001 environmental management system, and GB/T28001 occupational health and safety management system, LHSH is an active member of the China Fire Protection Association and the Guangdong Province Fire Protection Association. In recent years, the company has obtained 3 invention patents, 37 utility model patents, 25 software copyrights and 5 design patents.