Cixi shengda

We are factory specializing in the manufacture and export of gas cylinder valve. such as freon valve ; non-refillable valve; refrigerant valve' double steel bottle valve helium valve,and so on! we have profuse designs with series quality grade, and expressly, our price is very competitive because we are manufactory, we are the source. you are welcome to visit our website http://cixishengdaplastic.en.alibaba.com which includes our company profiles, history and something latest designs. should any of these items be of interest to you, please let us know, we will be happy to give you details. as a very active manufactures, we develop new designs nearly every month, if you have interest in it, it`s my pleasure to offer news to you regular. best regards, steve wu! steve wu tel:8615990554308 fax: 86-574-63412222 oicq:571855668 skype: firevalve