"Based on domestic market and expand overseas business" is our development strategy for ph controller, Garden Soil Ph Tester, Waterproof Pen Type TDS Tester, Waterproof Pen Type TDS Tester,Salinity Meter Tester. Adhering to the business philosophy of 'customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us. The product will supply to all over the world, such as Europe, America, Australia,Sao Paulo, Tunisia,Los Angeles, Portugal.We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.