What I need ispT1000 + pH + ORP (3 in 1) combination electrode. It's different from the reference electrode I asked before. And you have reported it to me before. Quotes are also available. as follows. Therefore, please wait for the following specifications to provide a quote. I will test each 2PCS.Come and go, maybe you are confused and want to quote these specifications to me. I will organize it once1. Reference electrode. Double = quotes. The next one is 2.2. pT1000 + pH + ORP (3 in 1) combination electrode (Please quote 100-300PCS.) = To be quoted. Need to order 23. Ammonium salt (NH4) (Please quote 100-300PCS) = To be quoted. Need to order 24. Potassium (K +) 50 (Please quote 100PCS) = To be quoted. Need to order 2Thank you.