Drilling Swivels

Yuantong’s public company profile identifies workover fishing tools within its petroleum-equipment range.

Drilling and production parts are separately named in Yuantong’s public business description.

The public Yuantong company scope includes parts for workover rigs.

Travelling block and hook equipment is expressly named in Yuantong’s public company description.

Mechanical machining is explicitly included in Yuantong’s public equipment-manufacturing description.

The public Yuantong scope names repair of petroleum tubing, drill pipe, casing and downhole tools.