Nowadays, the valve market is a mixed bag. The unscrupulous traders have to take profits and counterfeit refurbished valves and shoddy, which poses a great safety risk to the installation project. Therefore, it is very necessary to introduce the inspection of the identification of refurbished valve

Driving on a rainy day not only affects sight but also brings troubles such as braking and flooding. For this, this article specifically recommended several rainy season driving car supplies, hoping to help owners. Suitable wiper Wiper identification method: use two fingers holding the r

Yueyang Dongfang Automatic Control Engineering Equipment Co., Ltd. is the only professional company engaged in the design, manufacture and sale of self-control valves in Central South China. It is located in Yueyang Economic and Technological Development Zone and is an internal ent

Intelligent large-screen appearance of the hardware field, the smart TV activation rate reached 31.1 million units, smart projectors are also emerging, but the traditional way of interaction does not seem to meet the needs of users, and new interactive methods are also emerging, Such as multi-touc

Since the beginning of this year, when market share has been declining, and most self-owned branded car companies have experienced difficulties, the responsible person of the relevant state department has recently indicated to the outside world that next year or through policy adjustments,

Garbage truck manufacturers introduce the rust and anti-corrosion treatment methods of common garbage trucks Garbage truck, garbage truck manufacturer, garbage truck box, anti-rust and anti-corrosion treatment As a special type of car used to collect and

Simple and easy to remember ball mill specification operation诀窍 Ball mills are a very common grinding equipment only in mineral processing applications. The principle of the small ball mill is not so complicated. The general principle of grinding is to use the friction between the materi

In the electrolytic production of nickel, iron-containing anolyte is generally 100 ~ 500mg / L, the solution was purified in claim reduced iron content 0.5 ~ 4mg / L, usually iron hydrolysis precipitation. (A) hydrolysis hydrometallurgical common iron precipitation method Hydrolytic precipitation

The hydraulic support shifting and coal discharging are the two main dust-producing dust sources in the fully mechanized caving face, accounting for about 30% of the output of the fully mechanized caving dust. It is also one of the key points of dust prevention in the fully mechanized caving face.

[ Instrument Network Instrument Development ] On October 12, Meiya Optoelectronics (002690) issued a notice saying that the company received a letter from the Ministry of Science and Technology issued the "Conclusion on the Comprehensive Acceptance of National Major Scientific Instruments and

First, the accident prevention work taken on the hanging basket equipment: 1. Before the basket equipment is shipped out, the following parts must be inspected for safety performance. 1) Limit device and brake device 2) Security lock 3) Lifting device (including manual lifting device) 4) Wire r

Recently, Shenlong Automobile Co., Ltd. filed a recall plan with the AQSIQ according to the requirements of the Regulations on the Management of Defective Automobile Product Recall, and decided to recall from October 27, 2017 to October 2016 from February 27, 2017. A total of 532 Dongfeng Peugeot 3