1. All the sprinklers of Chengli Special Purpose Vehicle Co., Ltd. are produced by automatic assembly line.
Hubei Chengli Special Purpose Vehicle Co., Ltd. is one of the best sprinkler products in China. It has a professional standardized sprinkler production line, with more than 30 daily off-line products, with high efficiency and quality. In one of the advanced production lines. Since the establishment of Hubei Chengli sprinkler production line, many manufacturers of sprinklers from all over the country have come to inspect. Since the opening of this line, the products have been well received by customers. It takes only 3 days for a sprinkler to go on-line to produce. In the peak season, the actual production speed is faster. The cans → tank grinding and sealing → adding the top-loading configuration → hanging ash spray paint, the division of labor will be refined again, thoroughly refined. The division of labor is the step of “adding the top-loading configuration†to refine employee responsibilities, improve production quality, and improve production efficiency. The fully automated production line has been opened. The multi-functional sprinklers of Chengli Group have greatly improved the delivery cycle in terms of productivity compared with manuals, and there is no longer any need to worry about errors caused by personnel. Such a systematic production process is more conducive to the standardized management of production operations, and further improve the modification of special vehicles and strengthen the modification of special vehicles.
2. The can body and the head adopt one-time forming technology, and the butt welding process is automatically welded, which is durable.
The tank body adopts an elliptical cylinder body, and the flat edge seal structure is pulled over. The tank body has low center of mass and stable operation; the circuit system wiring is concealed, and the waterproof joint is adopted to ensure the safety and reliability of use; The board is used to reduce the impact of the liquid on the tank during the full load of the vehicle, and to ensure the smooth running of the vehicle; the advantages of the production line integrating welding, assembling and testing are more obvious. An anti-wave baffle is installed inside the tank to reduce the impact of the liquid on the tank during the full-load driving process, and to ensure the smooth running of the vehicle; the advantages of the production line integrating welding, assembling and testing are more obvious. The tank body and the head are fully automatic welding technology. The whole structural components of the vehicle are made of underwater CNC cutting and cutting, low-alloy high-strength steel plate and carbon dioxide gas shielded welding to ensure that there is no permanent deformation during the operation of the product.
3, Cheng Li car sprinkler paint line assembly workshop has a special shot blasting room, spray booth, drying room ... and other "one-stop" automatic mechanized equipment.
After the paint is needed, after entering the paint line workshop, the shot peening is first performed to eliminate the scratch of the part during the process, so as to maintain the appearance after the surface treatment of the product, thereby greatly improving the fatigue resistance of the part. Strength, extend the safe working life; then enter the spray booth to make the primer, after the primer process, spray the paint; finally, dry it into the drying room. The entire painting process is fully automated. Not only has the work efficiency been greatly improved, but the shape and quality of the sprinkler has been further improved. In the past, the mode of manual painting was low in efficiency and unstable in quality. The paint peeled off after two years, while the automatic baking paint could not fall off in 5-8 years. In addition, the previous manual painting was carried out in the work shed, which was very polluting to the surrounding environment. The company's work was also in line with the national energy conservation and emission reduction requirements, and actively responded to the national environmental protection policy. The surface of the tank is treated by a double-layer paint process. The inside and outside of the tank are sandblasted and rust-removed, and the interior is treated with two-component paint or zinc spray to increase the corrosion resistance and service life.
4. Chengli Auto Sprinkler Factory has passed the quality management of the factory, department (shop) and class three levels to strengthen the quality control of all aspects of the sprinkler tank production process, and implement strict documented work instruction system for each process operation. And strictly inspect according to the instructions. 
It is manufactured in strict accordance with the IS9001-2008 quality management system, and all models have passed 3C international mandatory product certification. All models have a quality inspection report issued by the National Automobile Quality Inspection Center (third party inspection agency). The products basically have the "Environmental Protection Announcement" issued by the Ministry of Environmental Protection, which is an environmentally friendly product. The top-loading tanks are all made of high-strength carbon steel and special-purpose plates for national standard series tankers. The core components: the pump is a Japanese-style high-power special-purpose water pump. The pipes are all made of seamless pipes. The ball valves, water cannons and nozzles are all made of aluminum alloy castings.
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Our Telecommunication Tower are made from quality sheet through bending, forming, automatic welding and hot galvanization. We can reach one-run machining length of 14m and can bend sheet of thickness up to 45mm. We adopt advanced welding procedures, automatically weld main joints and reach rank-II welding quality.
We have supplied 2400ton 132kV and 220kV transmission line steel pole to WAPDA. Pakistan on 2008 and have supplied 1200ton 138kV transmission line steel pole to Davao light, Philippines on 2009.
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