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• Cause: raw materials have impurities; extrusion or head temperature is too low; screw friction heat is too high. • Solution: check the raw materials and remove impurities; properly increase the temperature of each section; properly cool the screw.

• Cause: during the cooling and shaping process, the cooling rate of the upper and lower parts of the pipe is inconsistent; the sizing sleeve is too short, and the predetermined diameter effect is poor; the traction force of the tractor is unstable. • Solution: use spray type water tank to make cooling consistent; replace […]

• Reasons: improper formulation of raw materials, poor mixing effect of composite system, unreasonable setting of extrusion process parameters, resulting in poor plasticization. • Solution: Adjust the raw material formula, optimize the mixing effect of the composite system, improve the extrusion process parameters, and improve the quality of plasticization.

• Cause: When the pipeline is running with water, the gas accumulated in the high places in the pipeline is squeezed to produce water hammer, or the sudden power failure or pump stop causes negative pressure. • Solution: Install the exhaust valve to solve the problem.

Fonirte’s service is sincere service, service at any time, permanent service, professional technical service, excellent quality, beautiful price, so that you don’t have to worry and worry about the future

This holiday season, Fonirte is spreading cheer with exclusive discounts on PVC profiles. Whether you’re renovating or decorating, our limited-time offer allows you to enhance your home while enjoying significant savings. Explore our collection and make your holidays even brighter!

Say goodbye to complicated, upkeep with Fonirte’s UPVC and aluminium profiles. Our products are designed for easy maintenance, allowing you to enjoy their beauty without the stress of regular care.

👉We can customize the color, Different white color, ivory white, pure white, blue white.📐 👉We can customize the molds, Establish long-term cooperative relationships with customers and cooperate in mold development. 👉Strict quality inspection standards, double inspection during production and before shipment. 👉Professional packing and loading, to save the cost for our friends.

As a professional manufacturer of Upvc profiles in Chia, Our FONIRTE group can customize and supply all series of Upvc profiles, not only for window but for doors. For sliding door series Upvc profiles, we can supply 99/112mm 3track sliding series. According to your real needing or desgining, you can choose one of them.