Rainna

Qingdao Shuangjunli Machinery Co., Ltd specializes in design, manufacture and installation of temperature control equipment. Its products have reached advanced international level and are exported to more than 30 countries. 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.