Yakhazikitsidwa mu 2012, Beijing Anchor Machinery Co., Ltd ndiwopanga makina opangira ma hydraulic ndi zida, okhala ndi malo opangira ku Hebei Yanshan City, ndi ofesi ku Beijing. Zina mwazinthu zomwe kampaniyo imapanga ndi valavu yothamangitsira kapena valavu yosinthira yomwe imagwiritsidwa ntchito potulutsa mafuta otentha kupita ku ozizira mumayendedwe a hydrostatic. Kugwiritsiridwa ntchito kwa valve nthawi zonse kumawonjezera kuchuluka kwa madzimadzi, kuwongolera kutentha kwa hydraulic circuit, ndikutalikitsa moyo wapaulendo.