In September 6, 2010, Xuzhou heavy machinery limited company Cao Ge and his experts here I plant cleanliness of hydraulic components supplier of second party certification. In general manager Lu Yu accompanied by a group of experts on the basis of "hydraulic components suppliers cleanness second party certification management standard", I plant cleanliness assurance conducted a site inspection and assessment.

I plant cleanliness production work generally conforms to the management standards, cleanliness control process steps are clearer, more complete and advanced equipment, staff awareness is good, finished product storehouse extracting rotary cushion valve, balance valve on each of the 1 pieces were overhauled, found no foreign body, oil inspection. Xu Zhong expert I plant on cleanness production and fully affirmed!

Chairman Lu Yongsong and general manager Lu Yu Xu Zhong for many years of support and guidance of Cao Zongyi to thank.