Air cleaning equipment
      Jiangsu Suzhou Purification Group Co., Ltd
Wuxi Cleaning Equipment Factory
Gases and water purification equipment
      Jiangsu Suzhou Purification Group Co., Ltd
Wuxi Cleaning Equipment Factory
Electromagnetic shielding and electrostatic prevention equipment
      Changzhou Jinlida Electronics Co., Ltd
Leining Electromagnetic shield Equipment Co., Ltd
Sanwei Anti-electrostatic Equipment Co., Ltd