Recently, the zhejiang led by court of mixed refrigerant working group for the national chemical standardization technology committee\'s approval, the working group is China\'s first a mixed refrigerant working group, is mainly responsible for mixed refrigerant products and test method for field standard system revision work. Working group by the zhejiang hospital, north school, shandong dongyue, zhejiang university and other eight units, covering scientific research institutes, colleges and universities, production and application of enterprises. Working group is located in the zhejiang hospital, Zhang Jianjun vice President at work group leader, Shi Wanjun as secretary-general. This group mainly explore mixed refrigerant test method, provide technical support for the domestic development of mixed refrigerant products; Improve the detection technology, refrigerant industry can speed up promote mixed refrigeration industry standardization work, speed up the convergence with international standards. (article source: zhejiang hospital)