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The painting process of Longchangjie Machinery's pre-polyurethane insulation pipes may vary depending on the specific product and production requirements. The painting process of pre-polyurethane insulation pipes mainly includes the following steps:

The PE pipes (polyethylene pipes) produced and manufactured by Longchangjie feature corrosion resistance, anti-aging and environmental friendliness, and can be widely applied in various fields.

As a widely used pipe material, PPR pipes need to follow certain steps and pay attention to relevant matters during installation to ensure their performance and service life.

The equipment of Qingdao Longchangjie Machinery Co., Ltd. features easy operation, mature technology, high efficiency and stability, and is capable of producing high-quality wood-plastic flooring products.