XINJINGDONG Cross-linked polyolefin insulated halogen-free low smoke B1 grade flame retardant fire-resistant stranded connecting flexible wire（Please consult customer service for specific prices）eco-friendly non-corrosive Suitable for high-rise buildings

XINJINGDONG Cross-linked polyolefin insulated halogen-free low smoke B1 grade flame retardant fire-resistant stranded connecting flexible wire（Please consult customer service for specific prices）eco-friendly non-corrosive Suitable for high-rise buildings