Extended stem hard sealing butterfly valve

Extended stem hard seal butterfly valve Opening and closing member is a disc-shaped disc, rotating around its own axis in the valve body, so as to achieve opening and closing or regulating valve called butterfly valve. The butterfly valve fully open to the whole is usually less than 90 degrees, the

Great Wall Motors Abandons Passenger Cars

Great Wall Motors "Death to protect the car" willful or helpless Yesterday, at the Shanghai Auto Show, Great Wall Motor President Wang Fengying said in an interview with the media that Great Wall Motors is currently in a period of product strategic adjustment, will temporarily

Hebei issued "plan" to develop boiler remediation goals

Hebei Province proposed that by the end of 2017, the municipal districts and municipalities directly under the control of counties (cities) should be eliminated 35 steam tons/hour and the following coal-fired boilers, tea bath stoves 7402, 27018 tons of steam, rural and urban junctions and other f