GB 6063A pound aluminum Pressure the adhesive strip inside and outside, no glue One-piece bent aluminum strip. The 20A large hollow is more soundproof Polymer sieve filling Hidden Banyan Water Automotive-grade styrofoam strips Isotherms are perpendicular. The duckbill is designed with three seals, which is better for expensive and heat insulation PA66 GB Nylon Thermal Insulation Strip It can be made of three slopes and two cavities. It can be used as a two-color guardrail pipe. It can be opened and poured inside Openable guardrail (escape set). The overall sub-frame is better to install. The frame fan is flush, beautiful and atmospheric Invisible sub-frames are safer Yarn fan R angle (safety corner)
