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Qingdao dolco building materials co.,ltd is a specialized manufacturer of polyurethane foam rubber production. Products can be used to seal plugging, fill seams, sound insulation, heat preservation, fixed bindern and it is especially suitable for steel or aluminum alloy Windows, walls of sealing and waterproofing leaks. Our co***ny has advanced equipment, strong technical force,and has passed ISO9001:2000 quality management system certification, etc. We adhere ˇ°integrity-based,good moral character to succe...
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