
Durable industrial handwheels for gate valves, gate valves and butterfly valves. High-strength options in cast iron, steel and aluminum with precision machined hubs. ISO 9001 certified manufacturer offering OEM/ODM services. Global delivery from Qingdao, China.
High quality industrial handles and handwheels for gate valves, gate valves and butterfly valves. Made from durable cast iron, steel and aluminum. ISO 9001 certified, ergonomic design, API/ISO compliant. Customized OEM/ODM service is available. Export worldwide.
In the vast field of industrial fasteners, cast iron nuts are a basic but extremely important component. Due to their high cost-effectiveness and stable mechanical properties, they are widely used in various structural connections that require strength while being cost-sensitive.
Qingdao Zhaoyuqi Mechanical Engineering Co.,Ltd was founded in 2005. It is located in Qingdao, which is a port city. Our factory has been specialized in OEM customized iron casting services for over 20 years. The main materials we use are ductile iron, gray cast iron, steel and metal alloys. We have passed ISO 9000 certification since 2005.