Founded on December 22, 1985, Dalian Doei International Trading Co., Ltd. is a Machine Shop located in Dalian, Liaoning, China.

In recent years, to meet the requirements of the international market, our company has passed the ISO 9001 and 9002 certifications. Likewise, most factories associated with us have received shipping classification certification, including: ABS, DNV, NK, BV, and LR. Furthermore, we maintain ongoing relationships with many shipbuilders abroad, especially those in Japan.

Services Offered:
1. Drawing (Plans)
We can translate your original drawings, as well as examine, revise, and offer suggestions on the design.

2. Quality
We follow a strict inspection system to guarantee product quality. Furthermore, depending on the work pieces, we will conduct BT, PT, and/or MT inspection(s).

3. Designing of parts
Our company has the ability to design marine products. If you prefer, you can provide us with a plan, which we analyze in order to create a piece that meets craft regulations and customer expectations.

4. Inspection
We have qualified inspectors. Our inspectors have the ability to judge a product's eligibility.

Services and Products:
Casting - Die - Investment - Lost Foam - Sand - Shell
Cutting Tools (Special) - Drilling - Milling - Reaming - Threading - Custom Manufactured
Forging - Heading - Hot / Cold Forming - Impression Die - Open Die - Press - Roll - Swaging - Upset
Machining - Gun Drilling - Micro-Drilling - Punching/Nibbling - Machining of Castings - Milling - Milling and Turning - Screw
Tubing - Bending / Forming - Hybrid - Reinforced - Swaging - Weldment