Strictly implement the ISO international certification management system standards to achieve comprehensive solutions for purification engineering with different cleanliness levels from Class 1 to Class 100000, including system design, construction, and operation. Serving customers such as China Resources Shanghua, Hefei Changxin, Zhonghuan Semiconductor, Xinwei Tech, Oscon, Fulide, Xinwei Communication, Anhui Guangzhi, Guangdong Xizhen, Weiran Power, Shining Reality, Crystal Optoelectronics, Honeycomb Energy, etc., we solve special production environments such as airflow control, pollution prevention, and micro vibration.