HANG ZHOU IDQ TECHNOLOGY CO., LTD. has been introducing the world famous and professional automotive A/C solutions to China since 2013. With years of marketing experiences, professional engineering on A/C application technology, we improve the formulation and product quality and production system together with USA and EU high performance chemists, producer of R-134 refrigerant、high performance ultra synthetic R-134a、A/C Booster and Additives、Stop Leak、PAG/POE oil 、Tools and Equipment and full range of automotive A/C system specialty products. We are now proud to be a supplying partner for some worldwide well-known retailing chains. We offer extensive technical supports and marketing services to the DIFM service technicians as well as those DIYers.