Qingdao Kangkun Machinery Co., Ltd. is a corporation integrated with technology, industry and trade. It has independent imports and exports rights and was equipped with abundant technique forces and advanced production facilities. The ground cleaning machine, steel framed alignment rust removing machine and hydraulic pressure portable cutting machine used for construction we developed and manufactured have won National Gold Medal and gold medal of “Newton” Scienc- e and Technology Inventions Exposition successively. Our company was granted as Star Corporation of Patent in Shandong Province, “Observing Contract and Honest” Corporation in Qingdao City and Company Satisfied by Consumers. The principle of our company is as follows: make tal- ents as the root, science and technology the drive, and making friends of the same industry to develop.