Shenzhen Zhongda Environmental Technology Co., Ltd. is a comprehensive enterprise specializing in the design and construction of 100000 to 300000 level purification projects, equipment production, sales, and GMP certification. It is a member unit of the Clean Industry Association. We currently have a professional engineering and technical team engaged in the research and development, manufacturing, engineering design, engineering installation, and operation maintenance of purification products, as well as experienced engineering management personnel, with the ability to independently complete purification projects and product design. The company also provides supporting services such as cleanroom products, various purification consumables, filters, and comprehensive cleanroom performance testing. Having Class B Level 2 qualification for the installation of purification air conditioning engineering equipment (Class B is purification engineering). Strictly implement the ISO9001 quality system, from design, planning, engineering material procurement to every manufacturing and installation process, there are strict operating procedures and specifications to effectively ensure project progress and quality. The project can meet the requirements of the "Code for Design of Cleanrooms" GB50073-2001, "Code for Construction and Acceptance of Cleanrooms" (JG71-90), ISO14644-1 international standard, and GB/T51466-2025 "Construction and Acceptance of Cleanrooms in the Pharmaceutical Industry". Based on the characteristics of the project and in accordance with the requirements of the ISO9001 quality management system, the company's customer service department has established a standard service procedure (S-OPP), which implements lifelong tracking services for equipment and provides free regular inspections, maintenance, and upkeep during the warranty period.