Qingdao Besttech Machinery Co., ltd. specializing in the production of dust environmental protection equipment, shot blasting cleani... More Qingdao Besttech Machinery Co., ltd. specializing in the production of dust environmental protection equipment, shot blasting cleaning machine, catenary shot blasting cleaning machine, roller type shot blasting cleaning machine, crawler shot blasting cleaning machine, surface (lumen) blasting treatment and improved equipment, resin sand processing production line, clay sand processing production line, molding machine, hot metal ladle, casting Machinery and equipment, environmental protection equipment, steel shot blasting cleaning machine, etc.The highest technical content, complete varieties, production, sales of shot blasting machine and casting machinery production base, also is the Beijing Olympic Games the bird\'s nest, water cube and offshore oil platform main body engineering cooperation unit construction enterprises, is the domestic industry leader. Qingdao Besttech Machinery Co., ltd. specializing in the production of dust environmental protection equipment, shot blasting cleani... More Qingdao Besttech Machinery Co., ltd. specializing in the production of dust environmental protection equipment, shot blasting cleaning machine, catenary shot blasting cleaning machine, roller type shot blasting cleaning machine, crawler shot blasting cleaning machine, surface (lumen) blasting treatment and improved equipment, resin sand processing production line, clay sand processing production line, molding machine, hot metal ladle, casting Machinery and equipment, environmental protection equipment, steel shot blasting cleaning machine, etc.The highest technical content, complete varieties, production, sales of shot blasting machine and casting machinery production base, also is the Beijing Olympic Games the bird\'s nest, water cube and offshore oil platform main body engineering cooperation unit construction enterprises, is the domestic industry leader.