About Us

Great Dynasty International Limited is a registered limited company in Hong Kong. Our factory Zhongshan MingJiang Hardware & Electrical Appliance Co., Ltd was established since 2011 and located in Zhongshan.

The company has always focused and paid attention to the quality control in the early stage of product development and production.

The research and development is guided by the general manager who has 22 years of practical research and development experience in electric heating tubes, and the quality control is carried out by those who have been engaged in heating tubes for nearly 20 years of practical quality control experience.

The quality engineers have in-depth research on the R&D and quality control of electric heating tubes and electric heating elements. They can provide customers with technical consulting services in the early stage of product development in a timely manner.

At the same time, the company has a group of R&D, production and quality control teams with nearly 20 years of experience in electric heating tubes, electric heating plates and aluminum alloy casting.

In addition, the automatic heating plate life tester, heating tube automatic production line and mesh belt brazing furnace introduced at the beginning of the company's establishment.

The electric heating products have good quality assurance throughout the entire process from design and development, test demonstration to production and manufacturing. The products produced are of excellent quality in terms of performance, brazing quality, appearance, size and other key quality control aspects, and their stability and consistency are in the industry among the best.

Since the establishment of the factory, our company has always been advocating the corporate culture of "people-oriented, customer-oriented, honesty, and practical work", so that the entire process of design and development, testing and demonstration, and manufacturing of electric heating products has excellent quality assurance.