Q:What are the construction materials, components, fittings and equipment in construction?

3. Equipment: a complete device which belongs to the unique function of each function of the construction project. There are systems, equipment and conventional equipment, such as: elevator, automatic fare collection, HVAC, gas fire protection, etc..

Q:How are buildings, installations and materials divided?

Provisions on the division of equipment and materials for engineering construction? [answer] the division of equipment and materials in engineering construction is directly related to the reasonable division of investment structure, budget preparation and calculation of construction output value. In order to reasonably determine the project cost, strengthen the investment in the process of construction and management, the equipment and materials in the engineering construction is unclear, especially the universal controversial common problems and put forward the principle of division of fifteen copies of "national unified installation project budget quota" of the equipment and materials are divided, the provinces, autonomous regions and municipalities directly under the central government and the relevant departments of the State Council, the Department should be combined with the local situation, formulate rules for its implementation, and report to the Ministry of construction for the record.

Q:Mechanical bearings, all types? Roughly

The basic structure and NU type cylindrical roller bearing inner ring bearing the same, but because of the needle, the volume can be reduced, and can bear large radial load to the bearing without inner ring shaft mounting surface with suitable precision and hardness is used as a raceway.

Q:What are the mixing arms of the concrete mixer?

Mixing arm concrete mixer is a component of the mixing arm itself and divided into lateral mixing arm (positive and negative points), stirring arm (also have positive and negative points), stirring arm below is the bearing seat connected, connected with 4 sets of high strength bolts with stirring arm. The top is equipped with wear-resistant mixing blades, connecting with mixing blades, high-strength bolts 2 sets. In addition, some manufacturers have designed mixing side bonded shaft swivel, is installed in the interval between the stirring arm fixed and rotated in two ways.

Q:Building materials, equipment, components and fittings products must have "three certificates" is what cards?

Product qualification certificate means the qualified certificate, qualified label or qualified seal issued by the manufacturer to indicate the quality of the products manufactured by the factory and qualified on the package of the product or product. This is the producer's guarantee of the quality of its products, and also the obligation of a product to be stipulated by the law.

Q:Where does Heilongjiang do the most construction machinery?

In the world, the industry address basic similar, of which the United States and Britain called the construction machinery and equipment, construction machinery and equipment for Germany, Russia called for the construction and road construction machinery, construction machinery called japan. In China, some products are also known as construction machinery, and in the mechanical system, according to the State Council to set up the industry approval, collectively referred to as construction machinery, has continued to the present

Q:What is the use of spare parts prices in Chinese market by foreign companies?

But there is always somebody to ask, just like a college paper, where everyone can read or keep secrets, but collecting them and sending them to foreigners is a sign of treason

Q:Construction machinery production need to deal with what documents?

Construction machinery production needs for documents are: first, the construction enterprise safety production license application form 1, form three copies; 2, fill in the application form for details of the "instructions" application form "; 3, the legal representative of the enterprise statement" column should be the legal representative signature, enterprise official seal;

Q:The building electrical iron pipe and the pipe line fixing member connected to what is called, what is called the iron pipe and the 86 fixed part of tin

Pipe or direct protection, construction of special operation personnel of construction electrician training materials, focus on the "construction of special operations personnel management regulations", "construction of special operations personnel safety technology assessment program (Trial)", "construction of special operations personnel safety operation skills examination standard (Trial)" and other relevant provisions safety, technical knowledge and skills to master for construction electricians were explained, the book has 10 chapters, including: basic knowledge, common low-voltage electrical appliances and Motor City, power supply and grounding earthing protection system.

Q:What are the sectors of machine building and parts processing?

1., industry generally refers to its production of similar products, or with the same process, or to provide similar labor services division of economic activities, categories.