Yueyang Beautiful Rubus Garden Invitation Letter. Zhengzhou Yan Fa Mechanical Equipment Co., Ltd. is a well-known manufacturer of crushing and screening equipment in China. The company provides a full range of crushing and screening equipment, including liquid cone crusher, jaw-type crusher, impact crusher, counter-attack type crusher (sand-making machine), mobile crushing station and vibrating screen. The products are widely used in many national key projects, such as Beijing Capital International Airport expansion, National Grand Theater, Wuyang Water Power Station, Jin'an Bridge Water Power Station, Gaoqia Water Power Station, Bozhoudun Water Power Station, etc. The company has a strong research and development team with many experts in crushing and screening technology. PE series jaw-type crusher is the leading manufacturer of crushing equipment and provides comprehensive solutions for aggregate production. The company focuses on researching and developing high-efficiency, energy-saving crushing devices, including large and medium-sized jaw-type crushers.