Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for 6kw PTC Coolant Heater and High Voltage Coolant Heater, Electric Bus Heater, Auto Dc Pump, Roof Top Air Conditioner,Parking Heater Control. We are confident that there will be a promising future and we hope we can have long term cooperation with customers from all over the world. The product will supply to all over the world, such as Europe, America, Australia,Thailand, Algeria,Hamburg, Oman.Many years of work experience, we have now realized the importance of providing good quality products and solutions and the best before-sales and after-sales services. Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. faster delivery time and the product you want is our Criterion .