Shenzhen Hongfa Automatic Door Co, Ltd. is a fully advanced roll up door manufacturer and supplier. roll up door is one of Hongfa Automatic Door Company's multiple product series. Stringent quality testing for Hongfa cold storage doors suppliers will be carried out at the final production stage. They include EN12472/EN1888 testing for the amount of nickel released, structural stability, and CPSC 16 CFR 1303 lead element test. The product greatly helps reduce air convection. People don't have to worry that this product will suffer from aging issues and it can run in harsh conditions. Its special zipper design structure connects eliminates gaps.
We’re passionate about caring for our clients' business as if it were our own. Our clients' needs are our top priority, and we strive to provide the most effective and economical solutions for them.