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Stripping submersible pump for oil unloading-Invention
卸油掃倉潛油泵-發明
Invention Patent(Hydraulic system)
發明專利（液壓系統）
Invention Patent(Electric system)
發明專利（電氣系統）
Invention Patent(energy control valve)
發明專利（能量控制閥）
Chemical process intelligent pump and its control method
化工流程智能泵及其控制方法
A grooving device for pipeline pump body and cover
一種管線泵泵體、泵蓋切槽加工裝置
The feeding method of hollow casting
空心鑄件的補縮方法
The using method of filters for big-scale casting pouring process
過濾器在澆注大型鑄件中的使用方法
The bottom injected pouring system with Internal pouring gate of banding type section
帶狀截面内澆道的底注式澆注系統
The bottom injected pouring system with Internal pouring gate of annular type section
環形截面内澆道的底注式澆注系統
The yaw brake disc casting- one sand flask with several casting mould and cast solution
刹車盤鑄件一箱多件鑄型及鑄造方法
Detachable type inline pump
便拆式管道泵-實用
Control mechanism for double seal valve
雙重密封閥操縱機構-實用
Horizontally axially split multistage diffuser pump
水平中開多級導葉式泵-實用
Horizontally axially split multistage oil transmission pipeline pump
水平中開多級輸油管線泵-實用
Flame-proof quick-change connection box
隔爆型快換式接線箱
Vapor recovery unit with pressurizing、condensation、spray
加壓、冷凝、噴淋相結合的油氣回收裝置-實用
Inner relief device of double seal valve
雙重密封閥門内洩放裝置-實用
Bearing cavity seal structure for high rotation speed pump
高轉速泵軸承腔密封結構專利
Skid-mounted oil sending unit
撬裝式發油裝置
A quick-connector for top oil sending
一種上裝發油的快速接頭
Handle type pressure relief device
手柄式洩壓裝置
A from top oil sending unit with vapor recovery unit
一種上裝發油及油氣回收裝置
Friction resistance reducing structure for double seal valve
雙重密封閥門減少摩擦阻力的結構
Sliding vane external type sliding vane pump
滑片外置式滑片泵
Bid-directional safety valve
雙向安全閥
Vapor recovery unit
油氣回收裝置
Oil seal structure of oil pump bearing lubrication
油泵軸承潤滑油密封結構
A disc processing device for double seal valve
一種雙重密封閥發瓣加工裝置
Loading and unloading submersible pump
裝卸兩用潛油泵
Chemical process intelligent pump
化工流程智能泵
Flame proof signal lamp
隔爆型信号燈
Axial Inlet device and its connection structure for horizontal multi-stage pump
卧式多級泵軸向進口裝置及其連接結構
Axial force balancing structure for multi-stage axially split centrifugal pump
多級中開式離心泵軸向力平衡結構
Wear reducing sliding vane of sliding vane pump
減緩磨損的滑片泵滑片
Sectional type and variable screw cabinet rotor structure
分段式變螺櫃轉子結構
Roots vacuum pump
羅茨真空泵實用新型專利證書
Sliding vane against taking off structure
滑片泵的滑片防脫出結構
Tip gas structure of labyrinth impeller seal ring
迷宮式葉輪密封環間隙結構
Double cycloid rotor of dry vacuum screw pump
幹式螺杆真空泵雙擺線轉子
Tip gas structure of labyrinth impeller seal ring
迷宮式葉輪密封環間隙結構
Vertical inline pump
立式管道泵
Large power high speed sliding bearing
大功率高速滑動軸承
A impeller seal ring processing device
一種葉輪密封環加工裝置
Measuring tool for screw rotor
螺杆轉自測量工具
Electric-hydraulic synchronous control mechanism
電液同步控制機構
Screw stripping pump
螺杆掃倉泵
Dynamic balance structure of single head screw rotor
單頭螺杆轉子動平衡結構
Flame proof electric fan
隔爆型電風扇
Stopper rod of corking pouring basin -Utility Patent Certificate
撥塞澆口盆用塞杆-實用專利證書
Internal fin of the completed parts runner & pouring system
整片式披縫内澆口澆注系統
Large split-case centrifugal pump with open type body moulding
大型中開式離心泵泵體鑄型
The moulding of big flat surface casting with heavy thick wall
厚壁大平面鑄件的鑄型
The compound template for sand-moulding casting
砂型鑄造用複合模闆
The casting moulding with tools of collecting slag
帶有集渣包的鑄型
The polygon sand flask for casting application
鑄造用多邊形砂箱
One type of casted main shaft
一種鑄造主軸
The pouring system with sluice pouring gate
帶有閘門橫澆道的澆注系統
The sand flask with window
帶窗口的砂箱
The feeding system of equivalent width side pressing along with the form changes
等寬随形壓邊冒口補縮系統


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