Hangzhou Tongbao Machinery Factory (TBBLAST) ，established in2003 ,located in Hangzhou China .is specialized in sand blasting machine, shot blasting machine , and vibratory polishing machine. has developed to be a leading manufacturer in the surface treatment and finishing industry. Our company has passed ISO9001 quality system certification, relying on high technologies and with quality products and good after service . it has created god economic benefit and social bebefit and our products have been widely sold to many domestic and overseas countries We offer a complete range of surface preparation products, i...read more>>