Osking Import & Export Co., Ltd. is professionally engaged in refrigerant R&D, manufacturing and distribution, with the right of import and export, it is authorized by MOFTEC of environmental protection and the Customs Administration. Our company is located in the beautiful paradise on earth Hangzhou.Beside a powerful economic foundation and strong network relationships, we set up comprehensive technology and staffing to meet the requirements from the traders, importers and exporters.Our company has set up a group of production basis as well as our own filling plant,R&D department...