Greenleaf Tools&Machinery Co., Ltd., is the production & export base for foundry machinery, which owns most types, technical content and product & sale quantity. It sets up Qingdao city level R&D center with more than 600 large/middle/small machines for machining & inspection. Now the production ability has reached more than 2000 pcs (sets) of foundry machines annually. All the products are designed with the assistance of CAD. The main economic & technical indexes of all the products have ranked the first successively in 16 years in this field in China. The main product, surface-cleaning equipment, owns more than 60% market share. The company has got the International Quality System Certificate ISO9001: 2000 in foundry industry and the self-support import & export rights.