TAG：opinion

SINAEnglishistheEnglish-languagedestinationfornewsandinformationaboutChina.Findb

Get the news as it breaks and go behind the day‘s top stories, from politics, business, culture and sports to nature, travel and technology. CGTN deli...

Beijing Valve General Factory Co., Ltd., formerly known as Beijing Valve General

Since 1995，BEKY has been one of the professional and leading manufacturers world

SHANGHAI RITAI VALVE GROUP CO., LTD, established in 2000 and covered an area of

Jiangsu Shentong Valve Co., Ltd. (hereafter referred as STV) is in Nanyang Town,

shanghai datian valve pipe engineering co.,ltd. is a high-tech enterprise specia