Specialized tech. services
Gear and pinion elevator
Cu-Ni alloy products
Dalian Dingxi New Energy Equipment Tech.
Co. Ltd.was established in August 2018, and we mainly
engaged in technology development and special equipment in the field of
petroleum energy development, the registered capital of o...
Rack Assembly Development
TLP Design Development
Fluid Swivel Development
New Fluid Product Swivel
Automatic Release Shackle For Li