Elastic soft seal gate valve advantages: 1. Small and lightweight, easy to disassemble and repair, and can be installed in any position. 2. The structure is simple and compact, the operating torque is small, and the 90 degree rotation is quick to open. 3. The flow characteristics tend

Recently, the "Opinions of the General Office of the State Council on Strengthening the Construction of Fresh Agricultural Products Circulation System" proposed improving the taxation policy for agricultural product circulation and exempting the VAT of vegetables circulation. Fu

The vacuum number seed placement instrument is one of the bed equipments developed and manufactured by Hangzhou Top Instrument Co., Ltd. It is specially used for several kinds of seed germination test, seeding and seeding. The vacuum particle counting apparatus consists of three parts: or

In order to build an environmentally friendly water treatment industrial base, Huzhou City, Zhejiang Province has recently launched the "Environmental Water Treatment Industry Development Promotion Plan." The Plan clearly states that by the end of 2015, the environmental protect

With the accelerating globalization and the rapid rise of China's economy, the growing high-end logistics industry has created China's huge truck consumption demand, and has now become the world's largest potential consumer of automobiles. Light trucks have occupied most of the truck m

Recently, at the supplier conference of Dongfeng Commercial Vehicle Co., Ltd. in 2012, Fengshen Tire was named the best supplier of the year for the 12th consecutive year, and it has become the only tire company that won this honor. It is understood that Dongfeng Commercial Vehicle Co., Ltd. has

1 Force analysis of known gear parameters: modulus mn=2.5, pressure angle=20, helix angle=20 (right-handed), number of teeth Z=46. Sliding bearing condition: speed n=2600r/min, maximum transmission torque T =130Nm, the transmission diagram and the force diagram are shown in the following 1. d=mnZ/

It is reported that bearing exports will reach 41.5 billion sets in 2010, an increase of 5365% over the same period of last year, and an increase of 289% over 2008. Exports will reach 33.2 billion U.S. dollars, an increase of approximately 636% year-on-year, an increase of 114% over 2008.

Recently, TTS Marine ASA of Norway signed a contract with Hyundai Mipo Dockyard of South Korea through its subsidiary TTS Marine GmbH in Bremen, Germany, with a contract value of approximately NOK 63.20 million. It is reported that the contract involves the delivery of 24 marine cranes for bulk ca

Model NO.: DML00144 Surface

Starting from July 1 this year, China will fully implement the fourth-phase emission standard for passenger vehicles, namely the National IV emission standard. Any new car that does not meet the National IV emission standards will not be able to enter the new car catalog of the Ministry of

The “863” major scientific and technological project in the “Eleventh Five-Year” period of resources and environment—typical environmental protection accident prevention and emergency demonstration system in Yanjiang Chemical Zone was recently completed and put into