... medium, thus to improve its longterm stability in the industrial environment. Its pressure sensitive elements are made of imported ... Applicable Scope Measuring and control in the explosion-proof industrial course Hydraulic and pneumatic control systems on explosion-proof occasions ... Co., Ltd. ADD: No.18# of Electrolux Avenue, Muyun Industrial Park, Changsha, Hunan, China. Postal code:410118 Tel: 0086 ...