Sangdo Electric Industrial Co., Ltd.

Sand-Do has specialized in the manufacture of the heating equipment and parts elements for the last 28 years. We now produce quality heating elements that operate in the most difficult conditions. Our newly developed special products such as sheathing, excellent insulating material, vanguard manufacturing facilities, and non-destructive X-ray inspection equipment demonstrates well our advanced technology. We guarantee that our experience and accumulated technical specialties will provide the answers. We will continually develop a better heating device and do our best to satisfy our customers. If you have any questions or problems with heating equipment, Sang Do is the company you can rely on.