... I .Introduction of the manufacture of High Pressure Spray Gun Zhejiang Danau Industries Co., Ltd was established in 1993 ... about 600sets , covering cutting , drilling , grinding , punching , plastic injection and blowing , painting and powder coating , anodizing , parts ... . International Trade show of 2012 USA ——NATIONAL HARDWARE SHOW with LAWN & GARDEN WORLD(MAY , 2012)Netherlands——ISSA INTERCLEAN ...