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Xinjiang HDPE Polyethylene Steel-Strip Reinforced Spiral Wound Corrugated Drainage Pipe
Construction Materials-Other Building Materials
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Construction Materials-Other Building Materials
The steel belt reinforced polyethylene spiral corrugated pipe is a winding structure wall pipe made of high-density polyethylene (PE) as the matrix (inner and outer layer) and surface coated with adhesive resin steel belt composite. **Pipe Application** Suitable for various drainage and sewage systems used in municipal, industrial, agricultural, and transportation engineering construction. The use of multiple patented technologies for plastic-steel forming and composite technology enhances the reliability and performance of the pipe, increasing its ring stiffness. The pipe wall structure consists of three layers: the inner layer is a continuous solid wall PE inner pipe. The outer layer of the inner pipe is wrapped with (formed into a "V" shape with steel plates) annular corrugated steel belt reinforcement, and a polyethylene outer layer is compounded on the outside of the corrugated steel belt reinforcement, forming an integrated spiral corrugated pipe. Its typical structure is shown in the figure. The elastic modulus of steel is nearly 200 times that of polyethylene, and combining the advantages of both metals and plastics is evidently an ideal way to achieve high rigidity with low consumption, organically combining the high rigidity and strength of steel with the excellent properties of plastics, such as corrosion resistance, wear resistance, and flexibility, thereby leveraging the advantages of both and compensating for their disadvantages, achieving a unity of high performance and low cost. **High Ring Stiffness** For ordinary buried drainage plastic wall winding pipes, it is difficult to exceed a large ring stiffness of SN 8, but the new structure pipe can easily reach SN8, SN12.5, and SN16, or even higher. On the other hand, this steel-plastic composite pipe with a steel pipe as the middle layer and polyethylene plastic as the inner and outer layers also exhibits excellent corrosion resistance. Therefore, this composite anti-corrosion pipe can be applied in various harsh environments. For example, in some coastal areas, due to corrosive substances in the soil, if concrete pipes are used, their service life will be very short, and there is a strong desire to use corrosion-resistant buried plastic drainage pipes. However, in the past, due to the lack of products with high ring stiffness to meet design requirements, metal reinforced winding structure wall pipes could be used. **Material Cost Savings** In addition to these enhanced performances, another significant advantage is material cost savings. Compared to other plastic pipes with the same diameter and ring stiffness, steel belt reinforced polyethylene (PE) spiral corrugated pipes can save nearly half of the material consumption. Polyethylene only accounts for 2/3 of the overall weight of the composite pipe; in the context of continuously rising plastic prices, this is a very good solution for reducing material costs. The ring stiffness achieved by thin steel belts pressed into steel ribs far exceeds the effect produced by very thick polyethylene structural layers. By appropriately designing the thickness and height of the steel ribs, the required ring stiffness can be easily achieved. In metal reinforced winding structure wall pipes, the function of polyethylene is to resist corrosion and wear; therefore, the material usage of steel ribs is minimal, and the material usage of polyethylene also does not need to be high. **The Combination of Steel and Plastic** The key to the success or failure of metal reinforcement is to ensure a firm bonding between steel and plastic. This requires steel to bond firmly to the plastic, and separation between any two layers is not allowed. To achieve the bonding performance, we conducted extensive research and experiments during the development of the pipe. The process involves pre-coating the steel belt with a special resin as an intermediary layer between the steel and plastic. Additionally, the process temperature, pressure, and cooling time must be strictly controlled, ensuring that all layers of steel and plastic are perfectly welded at suitable temperatures. Another key point to achieving metal reinforcement is to protect the metal layer, which is easily corroded. In the structural design of the pipe, the steel ribs are completely covered by the inner and outer polyethylene. The inner and outer surfaces in contact with the conveyed liquid and surrounding soil and groundwater have a certain thickness of polyethylene layer. Therefore, the corrosion resistance and wear resistance of the metal reinforced winding structure wall pipe are guaranteed.
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Xinjiang Jindingtong Plastics Co., Ltd.
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XinjiangUyghurAutonomousRegion
About Us
### Xinjiang Jintongtong Plastic Industry Co., Ltd. Formerly known as Fenghao Plastic Products Factory in Wumurghu District, Urumqi, it was established in May 1993. In 2007, the company built a new production base (Xinjiang Jintongtong Plastic Industry Co., Ltd.) in Urumqi’s Yimi Dong Economic and Technological Development Zone with an investment of 80 million RMB, covering an area of 200 mu. Gradually developing into two industrial park production bases, the company now has over 50-60 production and technical personnel, integrating comprehensive production (Jintongtong Plastic), sales (Xiangrui Technology), and construction (Xiangrui Technology) into a comprehensive enterprise. The company’s production volume and sales revenue have grown steadily year by year, becoming one of the main tax-paying enterprises and a star company in Wumurghu District and the Mi Dong New Area. After many years of operation, the company has developed into a leading enterprise in the Xinjiang plastic industry. The company has invested over 80 million RMB to establish multiple production bases in Wumurghu District and Mi Dong District, Urumqi, transforming the company into a diversified enterprise that integrates design, manufacturing, marketing, and services. The company is a vice-chairman unit of the China Plastics Processing Association's Pipe Specialty Committee and a national high-tech enterprise. Covering an area of 200 mu, the company employs over 50 people, including 10 technicians, 6 intermediate-level professionals, and 2 senior-level professionals. The company’s main products include: - Polyethylene (PE) water supply pipe materials and fittings (Φ20~Φ800mm) - Polyethylene (PE) gas pipe materials and fittings (Φ20~Φ800mm) - High-density polyethylene (HDPE) double-walled corrugated pipe materials and fittings (Φ200~Φ900mm) - Steel-reinforced (PE) spiral corrugated pipe materials and fittings (Φ300~Φ2200mm) - Steel wire mesh skeleton polyethylene composite pipe materials and fittings (Φ50~Φ1000mm) - UPVC double-walled corrugated drainage pipes (Φ75~Φ500mm) - Ultra-high molecular weight polyethylene pipe materials and fittings (Φ50~Φ2000mm) The company's products have won the titles of "China Famous Brand" and "Fenghao" trademark, which has been recognized as a famous trademark in Xinjiang Province. The annual production capacity exceeds 100,000 tons, giving the company strong comprehensive strength and brand advantages within the industry in Xinjiang. The company places great emphasis on technological innovation, with its products being awarded the titles of "Top Ten Brand in the Chinese Market for Plastic Building Materials", "Recommended Product for Housing Construction by the Ministry of Construction", and "Xinjiang Famous Product". The company has successfully passed the certification of the Quality Management System (QMS), Environmental Management System (EMS), and Occupational Health and Safety Management System (OHSAS), as well as the National Measurement Management System Certification. The company has introduced over 10 production lines and trained all technical operators through professional training. The entire production process has achieved automation, and it can conduct remote diagnostics with equipment manufacturers via the internet. The company’s technology level is at the international forefront. The company’s products are among those prioritized and promoted by the Ministry of Construction and other relevant departments for their role in the development of new chemical building materials. They have successfully been applied in numerous key projects such as the Xinjiang Expo Center, Urumqi International Airport, the Guangzhou New City in Kashgar Region, the drainage network renovation project in Aksu Region, and various rural drinking water projects and urban water supply projects in Xinjiang, receiving consistent praise from domestic industry associations, major design institutes, engineering units, and end users. It is hailed as the "First Brand for New Plastic Pipe Materials in Xinjiang". To better seize national policies and market opportunities, rapidly capture the market, and enhance the brand competitiveness and market share of the "Fenghao" series of products, the company uses Urumqi as its headquarters and focuses on the Xinjiang market. Its business scope extends to Central Asian countries, establishing itself as a nationally renowned specialized producer of new plastic pipe materials. Looking forward, the company will further leverage its comprehensive advantages in the product market and capital market. By utilizing financing channels and low-cost expansion methods such as mergers and acquisitions, the company aims to improve its overall economic strength and market competitiveness, thereby strengthening and promoting the "Fenghao" brand.

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