Ningbo Spark Coupling Co., Ltd. is a major supplier and exporter of Hose Couplings and fittings in Ningbo, China. Ningbo Spark Coupling Co., Ltd. is a specialized in the production of Camlock Couplings, Air Hose Couplings, Guillemin Couplings, Double Bolt Clamp, Spiral Clamp & Superior Clamp etc. Highest quality, complete supply chain, convenient transportation endue us with advantages in the market. Our products are enjoying a high reputation in US, EU, Asia and Australia in the oil, mining, agriculture, food, chemistry, and fire protection industries. We always enjoying hearing from you. Our extensive experience enables us to customize products as per your requested drawings and specifications to achieve ultimate customer satisfaction. Should you need further information, please do not hesitate to contact us.</p>