Asia Leading Shot Blasting Machine Manufacturing VendorQINGDAO KNNJOO MACHINE INC. was established in 2006 , with a factory scale of 20000 square meters , We mainly produce high-end shot blasting machine, sand blasting room , foundry equipment and dust collector etc.We owns more than 30 R & D employee including senior engineers and foreign engineers, a first-class installation and commissioning team and experienced technical workers , which are effective guarantee for product customization, research and development, manufacturing and delivery. We can provide customers with personalized customized solutions to effectively meet customer needs.We have obtained international I S O 9 0 0 1, Germ...