ammonia-nitrogen test colorimeter in wastewater
Ammonia nitrogen;total phosphorus
Ammonia nitrogen:Nessler’s reagent colorimetry.Solution with reagent and ammonia nitrogen turns yellow.
1.What about the after-sale service?
Guarantee period is 12 months,after the warranty,we aslo provide life-long paid repair or service.
2.What services can we get from your company?
Superior products(peculiar design,strict quality control); Factory direct sale(favorable and competitive price); Excellent services(delivery goods on time;one year warranty;post and after services); Professional business consultation.
3.Is OEM available?
Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
4.How to deliver the goods for trial order or small order?
For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.