1997, Shandong Rongtai Induction Technology Coperation, was established in Weifang, Shandong Province. The Rongtai Coperation belongs to the world-class high-end equipment manufacturer - Haomai group. It is a high-tech manufacturing company which focusing on research, development, production, sales and installation of induction heating equipment and other related products. The company has trade relations with domestic regions and even some foreign countries. Its products are favored for their good stability, environmental protection and energy saving, easy to use and inexpensive. The technology of product is ahead of the industry in China, and the products have strong competitiveness in the national market, even in international market.