First-line brand. According to the official website of Jinbao Waterproof Materials Co., Ltd., Jinbao waterproof SBS modified asphalt waterproofing membrane is one of the top ten brands. Weifang Jinbao Waterproof Material Co., Ltd. (formerly known as Shouguang Jinbao Waterproof Material Factory) was founded in 1988 and has the registered trademark "Shenghua" brand. It produces elastomer-modified asphalt waterproofing membranes.