We are professional manufacturer of screw jack and bevel gearbox more than ten years in China, SIJIE INDUSTRIAL CO., LTD. After years of unremitting efforts, our company has developed into a collection of scientific research, production, sales, service, as one of the professional supplier of linear transmission products. Our mainly products are SJ worm screw jack, SJM machine screw jack, SJC cubic screw jack, SJB ball screw jack, SJ bevel gearbox, SJV miter gearbox. Now, we are more than 100 employees, the technical personnel are more than 30,