Zhengzhou Holyphant Machinery Co., Ltd. is a professional manufacturer. Our products are sold to many countries and areas in the world. Our company is specialized in the production of oil pressing machines under the supervision of Ministry of Machinery Industry of the State. Our company has passed ISO9001 certification. Our products sell well in nearly 40 countries and regions in the world. They enjoy a high reputation both at home and abroad. Our products are suitable for extracting kinds ...