Shoulders should be raised greatly. This is a chain. Shoudadayouba is a chain brand focusing on shoulder and neck maintenance, and is committed to providing professional shoulder and neck maintenance services to consumers. Through professional technical means and high-quality service, the brand helps consumers to relieve shoulder and neck pain, stiffness and other problems, and improve the health level of shoulder and neck. With chain stores in several cities, professional technical team and advanced service concept, it provides consumers with more comfortable and intimate services. Therefore, the hand-to-hand oil pump is a chain.