Flow characteristics of a control valve As we all know, control valve is automatically in direct contact with the actuator fluid. For the thermal object, the flow and pressure of the control fluid (often water) are related to the realization of the technical goals of automation such as product
Read more“We deeply feel that relying solely on national investment is relatively passive. As an industrial enterprise, we should also be more proactive in strengthening our capacity for independent innovation and constantly introduce new products. We must not only introduce products that are i
Read moreWhy are the prices of auto brands such as Geely and Chery much cheaper than those of joint-brand vehicles of the same grade? Some people think that this is an independent brand, the brand is weak, and the pricing is low; others also think that this is a frequent use price of self-owned brand
Read moreIn 2004 , Pang Qinghua, chairman of the huge automobile trade saw the potential market of Subaru, a niche brand in China, but he may not have expected that sales of Subaru would still maintain a growth of 110% in 2009, when imported vehicle growth slowed or even declined. . While Subaru rapid grow
Read moreThe main features of the power pump are: â‘ a certain pump head at a certain speed has a limited value. Operating point flow and shaft power depend on the condition of the system of the system connected to the pump (potential difference, pressure difference and line loss). Head changes with t
Read moreProduct Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5/8mm Q235 Handan Steel 4950 -150 -250 -600 High Line Φ6.5/8mm Q235 Handan Steel 5100 - 100 -300 -600 High Line Φ6.5/8mm Q235 Shougang 5100 -100 -300 -600 High Line ÃŽÂ
Read moreProduct Name Specification Material Steel/Origin Price (Yuan/Ton) Than Yesterday Last Week, General Line Φ6.5mm Q235 QC Steel 4900 0 -300 -830 High Line Φ6.5-10mm Q235 Bayi Steel 4830 -20 -450 -950 High Line Φ6.5-10mm Q235 Jiu Steel 4830 -20 -450 -950 Rebar Φ12-14mm HRB335 Eight Steel
Read moreThe end of the Olympic Games, domestic refined oil prices may be adjusted again based on China's overall economic development and energy conditions, and it may prove that oil prices will rise after the Olympic Games. So, how do pickup trucks with relatively high fuel consumption go up against
Read moreRecently, German company WACKER has introduced an improved exterior wall exterior finishing system based on VINNAPAS redispersible polymer powder, a new one-component decorative mortar, and also introduced a new type of non-visible basalt that is used as exterior wall insulation. Decorative mortar,
Read moreThe product name specification material steel factory / origin price (yuan / ton) than yesterday last week than the previous month General line Φ6.5mm Q235 steel 5150 0 -300 -700 high line Φ6.5-10mm Q235 steel 5200 0 -300 - 700 High Line Φ6.5-10mm Q235 New Fushun Steel 5200 0 -300 -700 Hi
Read moreProduct Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5/8mm Q235 Handan Steel 4850 0 -200 -500 High Line Φ6.5/8mm Q235 Handan Steel 5050 0 - 150 -410 High Line Φ6.5/8mm Q235 New Gold 5050 0 -150 -410 High Line Φ6.5mm Q2
Read moreUnder the support of the 863 Program's new materials field, the 400V/360Ah lithium iron phosphate lithium battery power battery developed by Peking University Science and Technology Industry Co., Ltd. in cooperation with Peking University has been used in Olympic pure electric buses. The battery
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