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Among the many types of anti-corrosion pipes, 3PE anti-corrosion steel pipe is a common and efficient model. Its full name is three-layer structure polyethylene coating (MAPEC) external anti-corrosion steel pipe. As its name suggests, this outstanding pipeline product is like wearing a set of exquisite "three-layer armor".

Russia has a vast territory, and most of its areas are located in the northern cold zone. This extreme climatic condition places extremely stringent requirements on pipeline joint patching. In the field of pipeline laying and maintenance, the quality of pipe fittings used for patching and anti-corrosion is crucial. Once the quality of pipe fittings is not up to standard, under the erosion of Russia's harsh climatic conditions, it will not take too long for the pipeline to inevitably have serious problems such as leakage and rupture.

Qingdao Huashida Machinery Co., Ltd. has earned the trust of its customers and established a strong brand reputation with its high-quality products and comprehensive services. In today’s highly competitive market, Huashida understands that relying solely on products is not enough to meet the comprehensive needs of customers; excellent service and a strong brand presence are equally important. This is one of the main reasons why Iran's REF Company chose to cooperate with Huashida.

If 2003 marked the founding year of Qingdao Huashida Machinery Co., Ltd., then 21 years later, 2024 is destined to be a landmark year for Huashida Manufacturing as it conquers one pinnacle after another in the global market for plastic machinery and pipe production.

Qingdao Huashida Machinery Co., Ltd. stands at the forefront of innovation with its cutting-edge production line for polyurethane spray PE wrap insulated pipes. This advanced technology integrates a polyurethane foam core with an external polyethylene protective layer, produced through a precise spray-wrapping process. Designed to meet the needs of industries such as oil and gas, municipal water supply, and district heating, these pipes deliver superior thermal performance and long-term reliability.

Qingdao Huashida Machinery Co., Ltd. has over 20 years of expertise in producing electric heat shrink sleeves, essential for connecting insulated pipes in thermal pipelines. These sleeves use PE boards with mesh covering, which are welded together using electric heat fusion to create strong, durable, and sealed joints. The special heating wire mesh ensures superior connection strength and corrosion resistance, making them an upgrade over previous generation products.