Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Ph Tds Temp Meter, Ph/Orp Controller , Auto Orp Controller , Portable Water Ph Orp Transmitter ,4-20ma Pressure Transmitters . At our firm with quality first as our motto, we manufacture products that are entirely made in Japan, from materials procurement to processing. This enables them to be used with confident peace of mind. The product will supply to all over the world, such as Europe, America, Australia,Pretoria, Serbia,Mombasa, Holland.If you have any requests, pls email Us with your detailed demands, we will give you the most wholesale Competitive Price with the Super Quality and the Unbeatable First-class Service ! We can give you the most competitive prices and high quality, because we are much more PROFESSIONAL! So please do not hesitate to contact us.