Qingdao Shuangjunli Machinery Manufactory specializes in design, manufacture and installation of temperature control equipment. For years it has committed itself to energy conservation and environment protection and has made a good example in the two aspects. Since its inception, it has initiatively taken part in international communications and cooperation. Its products have reached advanced international level .

Thanks to its excellent staff, strong production and development power, rich product knowledge and customized design, the company can sufficiently meet its users' needs. All its new products were stringently tested and repeatedly experimented to guarantee product quality. The precise design, excellent technique, fine production and perfect service have won it users' recognition and good credit and made a steady and solid foundation for its further development.