"Quality to start with, Honesty as base, Sincere company and mutual profit" is our idea, as a way to build constantly and pursue the excellence for Standard Thermometer, Pressure Calibrator Pump, Thermocouple Calibration Equipment, Relative Humidity Calibration,Temperature Gun Calibration. We are sincere and open. We look forward to your visit and establishing trustworthy and long-term standing relationship. The product will supply to all over the world, such as Europe, America, Australia,Mexico, Seychelles,Paraguay, US.With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.