Transmission structure of fracturing pump and fracturing pump von HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI

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High-energy mixer for well cementation equipment von HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI

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Efficient machining tool for bearing bush of solid pressure pump von HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI

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Multifunctional well cementation truck facilitating pipeline cleaning von HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI, WANG GUOWEN, WANG BOQIU

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Multifunctional fracturing blender truck for oil and gas well von HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI, WANG GUOWEN, WANG BOQIU

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Well washing vehicle applying four-shaft full-power power takeoff von ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI

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Connecting rod assembly with high bearing capacity and bearing strength and single-action reciprocating pump applying connecting rod assembly von ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI

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Fracturing pump for oil and gas well construction operation von YANG GUIMIN, HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI, WANG GUOWEN

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Oil and gas well fracturing truck additionally provided with filling system von YANG GUIMIN, HUANG DONGLI, ZHANG ZHUANYUN, LIU HAIYING, KAN BINNIAN, TANG YINGCHUN, HE YIWEN, MA LIN, HAN HONGMEI

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A well cementation pump for oil mining site construction operation von XIAO LIXIN, LIU GUANGMING, KAN BINNIAN, ZHOU BAONING, HE YIWEN, QI ZUWEN, HAN HONGMEI, WANG BOQIU

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