abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for control ph, Suspended Solids Sensor, Online Dissolved Oxygen Meter, Free Residual Chlorine Test,High Temperature pH Electrode. We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress. The product will supply to all over the world, such as Europe, America, Australia,Bulgaria, Borussia Dortmund,Angola, Costa rica.Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.