Guangdong Exquisite Special Materials Co., LTD. (hereinafter referred to as Exquisite special Materials) is a wholly-owned subsidiary of Guangdong Haomei New Materials Co., LTD. (hereinafter referred to as Haomei New Materials), with an investment of 2 billion yuan and an area of 390,000 square meters. This project mainly uses QD type universal bridge crane, QD type universal bridge crane is to rely on the longitudinal movement of the supporting rail direction along the beam of the workshop, the transverse movement of the trolley and the lifting of the hook to achieve the work flow. The commonly used lifting weight is 5-200T, the working level is A5-A6, and the control mode is ground control, control room control and remote control. A5 is suitable for general machining and assembly workshops, metal structure workshops, machinery repair workshops and so on where the heavy work is not very high. Class A6 is suitable for frequent work or continuous production or continuous handling.