Zinc Alloy Die Casting Heavy-Duty Zinc Plated Polish Freezer Oven/Refrigeratory/Cold Storage Hinge

       TANJA INDUSTRIAL(SHANDONG)CO.,LTD is a professional enterprise manufacturing hasp,box buckle, hinge, machinery handle lock and other hardware fittings.With advanced automatic production equipment, high-precision detecting instruments,manufacturing shops of molding and stamping, professional technicians, skilled operators and well-qualified service team, our company always improves the entire process,including product design, mold making, product molding,punching, surface treatment and assembling.
       The products of TANJA company involve stamping, casting, injection molding and other processes, which are completed by our own factory, 
so we control every detail very well. More than 20 years of production experience has enabled us to master various manufacturing methods  in the field. At the same time, in order to make the work more efficient, we implement PDCA management, 5S management .The products are used in aviation/high-speed rail/ nuclear power and other fields. We continue to develop and research, and make our products more refined.