Our development depends on the advanced equipment, excellent talents and continuously strengthened technology forces for Spargers for Increased Gas Absorption, Chlorine Gas Sensor , Moisture Sensor Probe , H2s Gas Sensor ,Dew Point Monitor . All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Benin , Finland ,Japan , Kenya .we've got all day online sales to make sure the pre-sale and after-sale service in time. With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner.