ASB Group of Companies, head office located in Ningbo City, Zhejiang Province China, with manufacturing operations based in Yantai City, Shandong China. The newly increased Yantai manufacturing facilities covers an area in excess of 130 000 square meters. ASB Group of Companies, head office located in Ningbo City, Zhejiang Province China, with manufacturing operations based in Yantai City, Shandong China. The newly increased Yantai manufacturing facilities covers an area in excess of 130 000 square meters.