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The 3LPE (Three-Layer Polyethylene) coating process is essential for protecting pipelines from corrosion and wear. The 3LPE pipe equipment is used for coating the internal and external surfaces of pipes, typically in water pipeline machines and gas pipeline machines. This process involves applying a three-layer coating: FBE (Fusion Bonded Epoxy) as the first layer for corrosion resistance, followed by a polyethylene layer for mechanical protection, and a final polyethylene outer layer for added strength.

With the spray wound pipe production line and one-step polyurethane insulation pipe production line manufactured by Qingdao Huashida Machinery Co., Ltd. sent to Saudi Jeddah Insulation Pipe Company, and officially landed in Riyadh, as a representative of Chinese manufacturing, Huashida became the first enterprise to spray wound pipe production line and one-step polyurethane insulation pipe production line in Saudi Arabia.

Huashida steel pipe internal and external epoxy resin anti-corrosion equipment production line, with good quality and service; At the Shandong Equipment Manufacturing Innovation Conference, Huashida took the stage to receive the certificate of second prize for the epoxy resin anti-corrosion equipment inside and outside the steel pipe.

In the development of modern industry, the selection of insulated pipes equipment is particularly important, especially in various fields such as municipal heating, petroleum, and construction.

Huashida's technical strength and customer service in the field of pipe insulation equipment and 3PE steel pipe anticorrosion equipment have been widely recognized. Recently, a set of vacuum sizing pipe insulation equipment, which is about to be shipped, is being prepared to be delivered to the customer located in Yulin. This customer not only purchased this equipment, but also purchased Huashida's foaming equipment, it is expected that through the application of these advanced equipment, the customer's production efficiency and product quality of pipe insulation will be significantly improved.

Qingdao Huashida Machinery Co., Ltd. has been expanding its high-end plastic machinery equipment to international markets, including insulation pipe production line and spray foaming insulation pipe production line. Recently, the company launched its wrapped steel pipe 3LPE anti-corrosion production line in Kazakhstan, marking the first time Huashida introduced a production line using spiral winding technology for anti-corrosion treatment of steel pipes in the country.