shanghai) petroleum equipment co., ltd. is established on august 2001. the 3h is the first rig manufacturer that introduces ship-building technology to the fabrication of petroleum equipment.

the 3h is conferred as:
- the high-tech enterprise of shanghai municipality;
- the advanced technology enterprise using foreign investment of shanghai municipality;
- the core enterprise with well-known product of hongkou district of shanghai municipality;
- the recommended demonstrating enterprise of intellectual property of shanghai municipality.

main business activity covers the design and manufacture of the following series of:
- electrical, mechanical drilling rigs, and electro-mechanic rigs with the drill depth from 2,000 meters to 9,000 meters;
- module offshore drilling and workover platforms, module offshore drilling rig, polar drilling rigs, and truck mounted rigs;
- electrical driving control and system, and;
- main rig components of crown blocks, traveling blocks, hook, mud pump, swivel, and etc.