On May 28, 2015, Zoomlion's 100 million yuan sanitation machinery grand launch ceremony was held in the second industrial park of Silicon Valley. At the ceremonial site, more than 200 units of sanitation vehicles were arranged neatly on both sides of the front gate of Nanmen, and they will soon go to 18 districts and counties in Tianjin to “depressurize†Tianjin PM2.5. Zhang Jianguo, Senior Vice President of Zoomlion, Sun Changjun, Vice President, Vice President of Zoomlion, and Chen Peiliang, General Manager of Environmental Industry Company, attended the launch ceremony. In 2015, Zoomlion’s production and sales of sanitation and mechanical equipment were booming. This is another large-scale environmental sanitation machinery seized by Zoomlion recently. It is reported that the 205 environmental sanitation machinery included in this large list are all washing equipment and is the star product of Zoomlion Environmental Industry Co., Ltd. It is green and highly efficient. The purpose of this centralized procurement is to improve the cleanliness of roads in Tianjin. The cleaned floor has a cleanliness of over 96% and can sit on the floor. It will greatly increase the level of environmental sanitation in Tianjin, improve the living environment, and make contributions to building a beautiful Tianjin and Beijing-Tianjin-Hebei eco-environment joint prevention and joint management. The market share of the above products is above 60%, ranking first in the country. The person in charge of the Tianjin Purchasing Party stated that the purchase of Zoomlion environmental sanitation equipment was based on a thorough understanding of the equipment market, and finally selected a Zoomlion equipment with good reputation and good quality to improve the cleaning and cleaning of urban roads. The level of cleaning operations creates a clean and tidy living environment for beautiful Tianjin. According to Chen Peiliang, vice president of Zoomlion and general manager of environmental industries, Zoomlion has transformed itself into a global leader in high-end equipment manufacturing companies integrating construction machinery, environmental industries, agricultural machinery, and financial services. It is also the strategic transformation of the environmental industry by environmental sanitation machinery. Zoomlion will focus on the government-led integrated management of urban management and environmental issues in the future. It will include solutions for comprehensive treatment of urban public environmental issues such as household garbage, kitchen waste, construction waste, and sewage sludge, as well as complete sets of equipment and operational services. Realize the planning of the billions of business divisions of the environmental industry. Faced with the “new normal†situation in which China’s economy has slowed down, Zoomlion was able to seize large orders and emerged suddenly, demonstrating the strong R&D strength, excellent product quality and attentive service attitude of Zoomlion. The environment section of Biosciences is an important step in achieving the dream of billions of dollars. Precision Casting Of Pump Valve Accessories
Pump valve accessories precision casting or pump valve accessories investment casting, silica sol process. It is a casting process with little or no cutting.
Cast pump valve accessories is an excellent process technology in the foundry industry. Its application is very extensive. Pump valve accessories cast not only applies to the casting of various types and alloys, but also produces the dimensional accuracy of castings. The surface quality is higher than that of other casting methods, and even castings that are difficult to cast and which are difficult to cast have high temperature resistance and are not easily processed can be cast using investment casting.
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.
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More than 200 vehicles from Zoomlion delivered to Tianjin 
Zoomlion sanitation vehicle 