Zhejiang JiaCheng Machinery Co., Ltd. is an enterprise which engages at research & development, manufacture & distribution of mining machineries. With the products ranges from piston & screw air compressors, pneumatic rock-drilling machinery, Down-hole drill, pneumatic & hydraulic drilling carriages, currently it has developed five series with more than 100 kinds of products. Based on a modern industrial workshop, garden-style office building, first-class producing, inspecting, painting and assembly line equipment, the company, works closely with a number of domestic scientific research institutions, resulting a leading position of product quality in domestic market. Emphasizing the business philosophy of "precise carving for a successful future", and the business purpose of "quality first, service first", the company passed the ISO9001 quality management system and ISO14001 environmental management system certification simultaneously, and was rewarded the Mining Safety Certification both for YT24 and YT26 air leg rock drill