Welcome to our company Weifang Probuild Construction Material Co., Ltd. originally started the business since 2004. From the humble beginning, Probuild has grown to be a professional manufacturer and expert in this industry. We offer the wide range metal products, such as window and door profiles，curtail wall profiles，industry profiles and other customized style with aluminium alloy 6063-T5/T6；6061-T5/T6；6082--T5/T6；6005--T5/T6, etc.