Tianjin Wide Metal Hose Co., Ltd is a manufacturer and supplier of high quality flexible metal hose, bellow expansion joints and related products. With its skilled design team, professional technology, advanced manufacturing process and up to date research and development ability, it provides customer with products of high quality which is well guaranteed by strict production and quality control as well as satisfactory after sales service. By following the Chinese manufacturing standard of GB/T12777-2008, GB/T14525-93, international standard of ISO 10380 and the US�EJMA�, the company continues to optimize its design on flexible hose and bellow expansion joint, provide unique solutions to meet demands of customer and guarantee safe performance of each product. In the overall quality control system, we have strict supervision throughout the whole process of raw material and parts supplier selection, manufacturing as well as quality inspection on finished product, so as to meet demand of customers