100947W-Rongde water Call the police device

SHANGHAI RONGDE ENGINEERING.NA.P/N- 5(TYPE 1) PRESSURE SENSOR: RDLY-S, RANGE:0-40KPA, PROTECTION IP68, MTRL:316, EX-PROOF:II CT6
SHANGHAI RONGDE ENGINEERING.NA.P/N-7 ZENER BARRIER; TYPE:RDAQ-1; EX-PROOF:EXIA II C
SHANGHAI RONGDE ENGINEERING.NA.P/N-6 LEVEL SWITCH; TYPE:RDHL-B2-A; EXPLOSION-PROOF CABLE (L=50M)
SHANGHAI RONGDE ENGINEERING.NA.P/N- 5 (TYPE 2) PRESSURE SENSOR: RDLY-S, RANGE:0-250KPA, PROTECTION IP68, MTRL:316, EX-PROOF: II CT6