Porstech Electronics Co., Ltd. focus on supplying of full range of instruments for process control, factory automation and industrial automation. Products:  Signal Isolator, Signal Conditioner, Signal Transmitter Safety Barrier Temperature Sensor: Thermocouple and RTD Temperature Indicator Temperature Controller Temperature Transmitter Pressure Transmitter Liquid Level transmitterManifold valveBig LED temperature indicator   To industries: Petrochemical Oil & gas Steel & Nonferrous Metals Heat exchange, heat treatment Furnace, Oven, Boiler Pulp & paper Mechanical Power plant & power system Food, Surge, Textile, Plastic, Ceramics, warehouse, Water treatment Why us: 1.       Professional before-sales and after-sales service; 2.       Good quality products with competitive price, in-time delivery; 3.       Fast response to any your enquiry, question, or needs;   Honesty, Practical, Efficiency is our policy, hope we can serve you the best.