uPVC Profile is based on polyvinyl chloride (UPVC) resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, ultraviolet absorbers, etc., extruded into the material, and then cut, welded or screwed Made into door and window frame fans, equipped with sealing strips, wool tops, hardware, etc.

The glass should be flat and firmly installed, and there should be no looseness. The single-layer glass should not directly touch the profile. The inner and outer surfaces of the double-layer glass should be clean. There should be no dust and moisture in the glass interlayer, and the partitions should not be tilted.

The sashes and frames of plastic doors and windows are bent or deformed, inflexible to close, and poor airtightness is caused by improper selection of plastic-steel door and window profiles, thin wall thickness, or failure to install reinforced steel in accordance with the regulations; improper connJinan PVC Americano Linea Co., Ltd. specializes in the production of PVC doors and windows and steel profiles. The company pays attention to health and environmental protection, refined profiles, and provides users with safe and healthy doors and windows profile systems.

Jinanlumei Plastic Steel Profile Co., Ltd. is a professional Jinan uPVC Profile manufacturer, specializing in the production of uPVC Door plastic steel profile products.

Check whether the packaging of the profile is flat and smooth, there are no bubbles, and whether it is in a straight line from one end to the other. The trademarks of the counterfeit profiles are all pasted by hand, there will be many bubbles, and they are skewed, and the trademark is The quality is also very poor, as you can see if you look closely.