Shanghai Zhengfeng Valves Mfg Co.,Ltd

Our company—shanghai zhengfeng valves mfg co.,ltd, is the professional manufacturer of valves in china.      Our company is located in shanghai city, and we produce all kinds of valves. Please visit our website: www.zfgroup.com.cn to get more information about our company and our factories.      Our valves were produced by international standard, such as GB, ANSI, API, DIN, NF, JIS , etc.      We have got the certification of ISO9001, ISO14001, CE and API, etc.     Best regardsEric [详细介绍]