Zhuzhou Joysing Technology Development Limited Liability Company(Zhuzhou Joysing Tech. Development Co. Ltd)that is located in the National Hi-tech Industrial Park, Zhuzhou, Hunan Province, is a professional manufacturer of magnetofluid sealing device, Photovoltaik (PV) primary component and integration, Solar module encapsulation and system. Two departments are consisted: They are(1)Department of Magnetofluid and PV Mechanical Device; (2)Department of Solar module encapsulation and PV Applicable System. Our company focuses on the research and development (R&D), manufacture, sale and service of magnetofluid sealing device, Mono-crystalline silicon furnace component as well as the complete set of device, micro-controlled high-temperature diffusion furnace, silicon solar cell madels, and PV applicable system. Our company has been verified by ISO9001 International Quality System in 2006 and has been honored as an Innovative and Hi-Tech Enterprise of Hunan Province in 2008.

As the earliest and largest manufacturer of Magnetofluid sealing device in China. Plenty of top professional technicians and managers are now serving in our company. We can not only manufacture magnetofluid sealing device with shaft diameter from 4 to 400 mm. But also design a specified one according to your requirements. Our magnetofluid sealing products, which can be widely used to crystal growth, vacuum coating, electrical load switch, vacuum heat treatment furnace and etc, have been exported to German, Singapore, Korea, Taiwan, and so on. Our company has tremendous experiences on developing magnetofluid technique and serving in the related field. Several patents on accuracy and cost control of Mono-crystalline silicon furnace have been authorized in our company and verified in the market.

An advanced automatic manufacture device of silicon solar cell models was introduced. Based on the existing advantages of techniques, advanced production process, and precise quality testing system, we are able to provide mono, poly-crystalline silicon solar cell and silicon solar cell models with various types of specifications for worldwide customers. The component productions have been verified by CE, IEC61215, TUV, and UL.

We will deliver"High Quality, Excellent Service" to domestic and foreign customers as always, concentrate on the development of Green Enerty, and make our contribution toward the better future.