· ASCO explosion-proof solenoid valve;

· ASCO adapter board, bus;

· ASCO filter pressure reducing valve;

· Domestic ball valve;

· Domestic stainless steel pipe;

· The Weidmuller terminal;

· Stainless steel fittings and other accessories;

· Stainless steel outdoor rainproof cabinet ;

· Stainless steel card sleeve piercing board;

· Other: Far East cable and other auxiliary materials.