Nanjing Municipal Committee Conducted Investigation on the Implementation of State 5 Emissions of the Company

Recently, the deputy secretary-general of Nanjing Municipal Committee/Director of the Political Affairs Office Sun Weiqin, deputy secretary of the Youshui District Committee Sun Luye and other leaders came to the site of a vehicle urea leading enterprise—Jiangsu Kelansu Automotive Environmental Protection Technology Co., Ltd., and investigated the national five emission standards. progress status.

Nanjing Municipal Government inspects the Kosan Factory
Nanjing Municipal Government inspects the Kosan Factory

Accompanied by Vice President Wang Sheng of Kosuke, the leaders inspected the production of the company and highly praised the standardized production process of the company. Leaders emphasized that the standardized production process is an important basis for ensuring product quality. Product quality is the lifeblood of the enterprise. As a model enterprise in the automotive urea industry, the company must fully leverage the role of the industry and lead the healthy development of the urea market.

Nanjing Municipal Government inspects the Kosan Factory
Nanjing Municipal Government inspects the Kosan Factory

In early February of this year, the General Administration of Quality Supervision, Inspection and Quarantine reported on the special inspections of the national product quality supervision for automotive urea solutions in 2015. After inspection, a total of 14 batches of automotive urea solutions produced by 13 companies were unqualified, and the spot-check product pass rate was only 60%. Spot checks found that the quality of substandard products mainly focused on urea content, impurity content.

Nanjing Municipal Government inspects the Kosan Factory
Nanjing Municipal Government inspects the Kosan Factory

Unqualified vehicle urea products cannot only reduce emissions, but also produce urea crystals that clog the urea nozzle. Long-term use can lead to failure of the SCR system. Therefore, the quality of qualified urea products for vehicles is an important prerequisite for ensuring the implementation of the five national standards. As the world's first enterprise that has been certified by European VDA, North American DEF, and China's CGT three vehicle urea certifications at the same time, the quality of its products has been recognized throughout the world to ensure the smooth implementation of the National Five Standard.

 The characteristic of alloy steel casting is similar to that of  Carbon Steel Casting and cast steel containing alloy elements such as manganese, chromium, and copper is a cast alloy steel.  China Alloy Steel Precision Casting is also called lost wax casting, or China Alloy Steel Investment Casting . Casting products are precise, complex, and close to the final shape of the parts, which can be used without processing or with little processing, so It is an advanced technology.

 In wax pattern process,we mix stearic acid and paraffin wax in wax pattern making,as you know,it is better than polyethylene,and the wax deformation is small.   

 In shell making,we adopt automatic sand-covering production line, which was invented under the guidance of our general manager.The indoor temperature was controlled by air-conditions,keeping the temperature at  24℃±1℃, which can make the castings much more stable,the internal tissues much more well-proportioned.

 In shell hardening process,we use aluminium chloride to harden the shell.This can make the shell so hard that it can`t be distorted,at the same time the bug which the casting may have will be decreased.If there are letters or numbers in it,they will be much clearer.

 In dewaxing process,about 95% of the castings suppliers adopt the original water dewaxing technics,but we using the advanced steam dewaxing technics,which we are very proud of.This can effectively avoid the air-hole and sand-hole,making the casting look much nicer.

 In smelt process,we use middle frequency furnace,avoiding the emergence of the oxide; in molten steel control part,we use Germany-imported direct reading spectrometer machine,assuring its quality before the molten steel out of the furnace.During this process we use ERP production and management software to get the feedback information.

 In shell-knock out process,we have special machines,which can decrease the hitting and knocking, easily made by manual shell knocking out.

 In shot-blasting process,we have crawler-type and hanging shot-blasting machine,with steel shot 0.5-0.8,making the products smooth.Of course,if the customer wants it look much nicer,we also can carry out sand-blast treatment.

 In heat treatment process,we use electric furnace,and adopt double-temperature control in order to heat the products equally.As a result, the products will have great metallurgical structure.

 Our tolerance can reach at the grade of 5-7 according to our country`s tolerance standard.

  In machining process,we have 12 CNC machining centers and some other machines, so we can make further machining if the customers need.

  Products in alloy steel cast factory divide into Forklift Parts Investment Casting, Agricultural Machinery Parts Investment Casting, Petroleum Parts Investment Casting, and Chemical Parts Investment Casting.

 Alloy steel precision casting

 

Alloy Steel Investment Casting

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Wei fang junlong precision casting Co.,Ltd , https://www.junlongcasting.com