No, according to official website Mudanjiang Duck Guanxian Catering Management Co., Ltd., Duck Guanxian can join, not a chain. Mudanjiang Yaguanxian Catering Management Co., Ltd. mainly deals in product and catering management; Processing of meat products and by-products; Dry curing of surimi products and aquatic products; Canned meat and poultry manufacturing; Canned aquatic products manufacturing industry; Wholesale and retail of meat, poultry, eggs, milk and aquatic products; Snack service; Supply chain management services; Social and economic consultation (excluding investment consultation); Food wholesale and retail.