... -retarding ,safe to health; 3)Mildew proof,water-proof. top grade interior door,door frame line,window frame decoration,door ... are a large-scale door enterprise, integrating R&D, production, marketing and after-sale service. Our brand is ruierxin. With integrity ... :OEM Service Offered Design Service Offered Buyer Label Offered. top grade interior door,door frame line,window frame decoration,door ...