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　　3.Equipment and technology:Due to the higher requirements for cleanliness in cleanrooms,more efficient filters and air purification equipment,as well as stricter environmental monitoring and management measures,are needed.The purification workshop can choose different levels of filters and air purification equipment according to actual needs.
4.Maintenance and management:The maintenance and management costs of a cleanroom are usually higher than those of a cleanroom.Due to the need for higher cleanliness levels and stricter environmental controls in dust-free workshops,Yunnan Purification Company also requires more maintenance personnel and management measures to ensure the normal operation of the workshop and stable product quality.