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How to Build a Patio Cover with a Corrugated Metal… 2 Nov 2014 . Before and after building and installing the patio cover. . Another substitution I made was choosing three and four inch deck screws . materials for the job by looking over my plan and suggesting
Shanghai Seven Trust Industry Co., Ltd, founded in the year 2008, is a hi-tech enterprise which specializes in the R&D, sales, and service of WPC materials, Provide excellent products, professional technology and sincere service.