Tianjin Donghao Flexible Hose Technology Co., Ltd., established in 1997, specializes in the production of high-quality metal hoses and flexible hose solutions. With over 26 years of experience, the company manufactures a wide range of products, including stainless steel metal hoses, expansion joints, bellows compensators, and explosion-proof tubes. Known for its advanced manufacturing techniques and durable materials, Donghao serves various industries, ensuring reliability and safety in challenging environments. Committed to innovation and customer satisfaction, Donghao has earned a reputation for exceptional quality and service across domestic and international markets.
Butterfly valve, gate valve, check valve, ball valve, globe valve, y-strainer, flange adaptor.
Electric actuator, valve actuator, electric valve, electric control valve, control valve, motorized valve, motorized valve, automatic valve, motor operated valve, butterfly valve, ball valve, gate valve.
Butterfly valve, gate valve, ball valve, plug valve, check valve.Technic support, after sales service
Professional valve .
Valve.
Butterfly valve, gate valve, check valve, ball valve, filter, and other kinds of valves.
Actuator, valves, panels.
Brass valves, butterfly valves, stainless steel valves, metal flexible hoses, PP-R stop valve, sprockets, gray iron or ductile casting parts, investment steel or stainless steel casting parts, brass die-casting parts.
Gate valves, check valves, ball valves, butterfly valves, water valves, industrial valves etc..
Marine butterfly valves, aluminum alloy butterfly valves, water and industrial butterfly valves, wafer check valves, soft seal gate valves, y type filters, marine cast iron valves and other products..Agent
Filter bag, bag house, dust collector, solenoid valve, filter bag cage, pulse valve, conveyor.
Gate valve, butterfly valve, check valve, knife gate valve, coupling, flange adaptor, flexible adaptor, dismantling joints.
Butterfly valve, gate valve, check valve, ball valve, strainer, rubber joint.
Butterfly valve, check valve, stainer, globe valve, ball valve.Manufacturing
OEM casting parts, OEM forging parts, OEM machining parts, manhole cover, OEM pump impeller valve, OEM flange, OEM shift, brake disc, machining tool..OEM service for the casting parts
Hydraulic valves like butterfly valves, gate valves, check valves, y strainers, globe valves, rubber expansion joint, hydraulic valves accessories like flanges, disc.body, resilient rubber..
Seamless steel pipe, valve, stainless pipe, ERW pipe.
Petroleum equipment, casing pipe, tubing pipe, pup joints, coupling, crossover sub, kellp valve, hope opener .
