Ningbo Hongcheng Casting & Machinery Manufacturer Co., Ltd.

1. We can do different kinds of surface treatment after casting, such as machining, polishing, and plating 2. We make them by precision casting, investment casting and steel sand casting process in NIngbo, China 3. They are using for oilfield drill machinery, pipe connection and others.

1. We can do different kinds of surface treatment after casting, such as machining, polishing, and plating 2. We make them by precision casting, investment casting and steel sand casting process in NIngbo, China 3. They are using for oilfield drill machinery, pipe connection and others.

1. We can do different kinds of surface treatment after casting, such as machining, polishing, and plating 2. We make them by precision casting, investment casting and steel sand casting process in NIngbo, China 3. They are using for oilfield drill machinery, pipe connection and others.

1. We can do different kinds of surface treatment after casting, such as machining, polishing, and plating 2. We make them by precision casting, investment casting and steel sand casting process in NIngbo, China 3. They are using for oilfield drill machinery, pipe connection and others.

1. We can do different kinds of surface treatment after casting, such as machining, polishing, and plating 2. We make them by precision casting, investment casting and steel sand casting process in NIngbo, China 3. They are using for oilfield drill machinery, pipe connection and others.