Zibo Guocai conveying machinery Co., Ltd., formerly known as Zibo Mining Machinery Factory, specializes in the production of multi series of single and double body strong belt buckles with tensile strength from to, and multi series of hammer type pull rod type strong buckle sewing machines, as well as the production of multi series of light rope type armored string handle type leather cutter for hand use. The company has a number of patents. After more than ten years of development, it has formed a complete range of products, fast supply and quality Stable production and sales operation mode we will always pursue your trust with high-quality products and services