manufacturing the filter press machine. Chamber filter press plate and frame filter press solid-liquid seperation Zhengzhou Black Stone Machinery Co., Ltd. is an export enterprise which is specialized in dealing in machinery and equipment. Our main products are Filter Presses, Tyre Crushers, Nail Making Machines. Our machines are mainly exported to India, Pakistan, the Middle East, Africa, Southeast Asia, South America, Europe, North America, etc. Models of Filter Presses (ISO9001:2000): 320/450/630/800/1000/1250/1500/2000 Models of Rubber (Tyre) Crushers (Patent Products): XKP350/400/450/560 Models of Nail Making Machines: Z94-6A/4A/3A/2A/1A and Z94-4C/3C/2C/1C Quality is the life of our company and customers are our Gods. We will always hold the service tenet of "being responsible for every working procedure, every machine and every client". We believe that quality is the best way to develop the markets. All of our products conform to ISO9001 standard. Our company strives for reliable and stable quality, which is the key to success. We always keep exploiting and surpassing ourselves and firmly believe in that development is the fundamental principle. Creating the greatest value for customers and customers satisfaction is our persistent pursuit.