Shinelong Co., Ltd. , 3w shinelong dot com which was found in 1993 and specialized in producing the ending equipment of Air-conditioning and Fire damper series. Products including air diffuser, regulation damper, fire damper, silencer, air conditioning, flexible hose, spiral air duct , etc. We had two factories with advanced equipment of sheet metal processing such as bending , stamping and the pipes processing from Japan, Germany, America . Over the years, Shinelong&＃039;s products have spread over the whole nation&＃039;s all kinds of big architectural complex on the advantage of quality and price, and enjoyed in overseas , such as Japan, Singapore, Malaysia and European countries.We also produce for oversea clients based on OEM . Shinelong is the certification of New Hi-tech Enterprises of Shanghai, China;International quality control system of ISO9000:2000 company, Shanghai Contract Keeping and Credit Company . If you need more informations including products , pls contact me shiyanmei at shinelong com.