This SCR system adopts mutilayer Nylon Tube made of ETFE/PA12. These tubes hace excellent performance of corrosion resistance and low Urea solution permeation. They meet the requirements of SAE J844. SCR system is made up of supplying tubes, returning tubes and injection tubes.
Because of the flexibility of the pipeline, the pipeline is often used in hydraulic systems and other mechanical devices driven by liquid. Because of the various parts of the car generally dispersed installed in various parts of the car, the car line like blood vessels in the body, responsible for linking these dispersed components, so that the complete system of automobile work orderly.
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The construction and installation fee is divided into labor costs, materials (including engineering equipment, the same below), construction equipment usage fees, enterprise management fees, profits, and fees according to the cost components. Among them, labor costs, material fees, construction equipment usage fees, enterprise management fees and profits are included in part of the project costs, measures and project fees, and other project fees.
(1) Labor costs: refers to the various expenses paid to the workers engaged in construction and installation and the workers in the auxiliary production units according to the provisions of the total wages. content include:
1. Timed wages or piece-rate wages: refers to the labor remuneration paid to an individual according to the hourly wage standard and working time or the unit price of the work done.
2. bonus: refers to the excess labor and increase revenue paid to the individual remuneration. Such as conservation awards, labor competition awards, etc.
3. Subsidy subsidy: refers to the subsidy paid to individuals for special or extra labor consumption and other special reasons, and the price subsidy paid to individuals in order to ensure that the wage level of employees is not affected by price. Such as mobile construction allowance, construction allowance for special areas, temporary allowance for high temperature (cold) operations, and high altitude allowance.
4. Overtime and salary: refers to the overtime pay for working on statutory holidays and the additional wages for working on the statutory day.
5. Wages paid under special circumstances: refers to illness, work injury, maternity leave, family planning leave, marriage and funeral leave, leave, family leave, regular leave, work stoppage, execution of state or society according to national laws, regulations and policies. Wages paid in proportion to the hourly wage standard or the hourly wage standard for reasons such as obligations.
(2) Material fee: refers to the cost of raw materials, auxiliary materials, structural parts, parts, semi-finished products or finished products, and engineering equipment consumed during the construction process. The contents include: original material price, transportation and miscellaneous charges, transportation loss, procurement and storage fees (including purchase fee, storage fee, site storage fee, storage loss). Engineering equipment refers to electromechanical equipment, metal structural equipment, instrumentation and other similar equipment and devices that form or plan to form part of a permanent project.
(3) Construction equipment usage fee: refers to the construction machinery, instrumentation usage fee or rental fee incurred during construction work.
1. Construction machinery usage fee: The construction machinery station consumption is multiplied by the construction machinery unit price. The unit price of the construction machinery should be depreciation, overhaul, regular repair, installation and off-site freight. Labor costs, fuel power costs, taxes and fees (refers to the construction machinery in accordance with state regulations, the vehicle and vessel use tax, insurance fees and annual inspection fees, etc.) seven costs.
2. Instrument and meter usage fee: refers to the amortization and maintenance cost of the instrumentation required for the construction of the project.
(4) Enterprise management fee: refers to the expenses required for the construction, production and operation management of the construction and installation enterprise. content include:
1. Manager's salary; office expenses; travel transportation expenses (including the site transfer fee and the fuel and fuel costs of the vehicles used by the management department).
2. Fixed assets usage fee: refers to the depreciation, overhaul, maintenance or rental fees of houses, equipment, instruments, etc. belonging to fixed assets used by the management and testing departments and affiliated production units.
3. Tool and appliance usage fee: refers to the purchase, maintenance and amortization fees of tools, appliances, furniture, vehicles and inspection, testing, surveying and mapping, fire-fighting appliances, etc. that are not used in fixed assets for construction, production and management.
4. Labor insurance and employee welfare fees; labor protection fees.
5. Inspection test fee: refers to the expenses incurred by the construction enterprise for the general appraisal and inspection of the building, materials, components and building installations in accordance with the relevant standards, including the materials used for the test in the self-built laboratory. Excluding the cost of testing new structures and new materials, the cost of destructive testing of components and other special requirements, and the cost of testing by the construction unit, the cost of such testing shall be incurred by the construction unit in the construction of the project. Other expenses are included. However, if the materials provided by the construction enterprise with the certificate of conformity are unqualified, the inspection fee shall be paid by the construction enterprise.
6. Union funds; staff education funds; property insurance fees.
7. Financial expenses: refers to the various expenses incurred by the enterprise for raising funds for construction production or providing advance payment guarantee, performance guarantee, and employee wage payment guarantee.
8. Taxes and Others: Taxes including urban maintenance and construction tax, education surcharges, and local education surcharges (but business tax is no longer included); technology transfer fees, bidding fees, legal counsel fees, insurance premiums, etc.
(5) Profit: refers to the profit earned by the construction enterprise to complete the contracted project.
(6) Fees: refers to the fees that must be paid or calculated by the provincial government and the relevant power departments at the provincial level in accordance with national laws and regulations, including social insurance premiums (endowment insurance, unemployment insurance, medical insurance, and childbirth). Insurance, work injury insurance), housing provident fund, project sewage charges.
   The cost of a mining project consists of construction and installation engineering fees, equipment and equipment purchase costs, other construction costs, reserve fees, construction period interest, etc., while mining construction costs mainly refer to construction and installation engineering fees.