Quality Aluminum Spacer Bar from China. http://www.1rockaluspacer.com/china-2022_rock_4mm_40mm_high_frequency_welding_easy_to_operate_automatic_aluminum_profile_for_spacer_bar-35968336.html Rock Well Building Material Hubei Co., Ltd. quality manufacturer from China. We can supply: Aluminum Spacer Bar : http://www.1rockaluspacer.com/supplier-aluminum_spacer_bar-4059079.html Butyl Spacer Bar : http://www.1rockaluspacer.com/supplier-butyl_spacer_bar-4059498.html UPVC Georgian Bar : http://www.1rockaluspacer.com/supplier-upvc_georgian_bar-4059499.html Welcome to visit our official website : http://www.1rockaluspacer.com