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PC750 PC800

709-10-56200 Main Pressure Relief Valve for PC750-7 PC800-6 Excavator

Protect your heavy 75-to-80-ton class mining excavator's main control block with our premium brand-new Main Control Pressure Relief Valve (Overflow Valve). Engineered as a direct drop-in replacement for part number 709-10-56200, it ensures flawless maximum fluid pressure regulation during demanding quarrying and earthmoving operations.
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PC120 6主炮

709-70-51401 Main Control Relief Valve for PC120-6 PC200-5 Excavator

Restore your excavator's maximum digging force and protect the main hydraulic pump with our premium brand-new Main Control Pressure Relief Valve (Overflow Valve). Engineered as a direct drop-in replacement for part number 709-70-51401, it ensures precise system pressure regulation for PC120-6 and PC200-5 legacy machines.
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PC30回转泄压阀

708-7T-02292 Swing Motor Relief Valve for PC30MR-3 PC35MR-3 Mini Excavator

Eliminate erratic upper-structure jitter and protect your compact excavator's swing motor with our premium brand-new Swing Relief Valve (Safety Valve). Engineered to perfectly integrate with the rotary device of your 3-to-3.5-ton mini excavators (replacing part 708-7T-02292), it ensures smooth, shock-free deceleration and reliable rotational control.
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PC200 6压力补偿阀

723-40-51102 Hydraulic Pressure Compensation Valve for PC200-6

Eliminate sluggish multi-functions and restore precise hydraulic flow distribution in your mid-sized excavator with our premium brand-new Pressure Compensation Valve. Engineered as a direct drop-in replacement for part number 723-40-51102, it ensures flawless pressure balance and smooth operation for -6 series machines.
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PC800SE 8

709-10-58501 709-10-59300 Main Pressure Relief Valve for PC800SE-8 PC1250

Protect your massive 65-to-200-ton class mining excavator's main control block with our premium brand-new Main Control Pressure Relief Valve. Engineered as a direct drop-in replacement for part numbers 709-10-58501 and 709-10-59300, it ensures flawless maximum fluid pressure regulation during extreme open-pit mining operations.
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WA380 3

700-90-74001 Hydraulic Unloading Valve for WA380-3 WA470-3 Loader

Optimize your heavy loader and bulldozer's hydraulic efficiency and protect the main pump with our premium brand-new Unloading Valve (Pressure Relief Valve). Engineered as a direct drop-in replacement for part number 700-90-74001, it ensures precise system pressure relief and fluid redirection for WA380-3, WA470-3, and D85E heavy machinery.
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FAQ

Frequently Asked Questions

faq
We have 20 years of experience in the field of hydraulic components for excavators, bulldozers, and transfer machines. Our core advantages lie in our accumulated experience of 20 years focusing on hydraulic systems, hydraulic pipelines, and engine parts, and our familiarity with the adaptation needs and compliance standards of markets in Europe, America, and Southeast Asia; Independent Quality Control: Our own workshop enables full-process control from raw material processing to finished product assembly, avoiding the quality fluctuations of OEM models; Market Validation: Our products have been stably supplied to over 30 regions domestically and internationally, serving over 5000 repair shops and equipment suppliers, with a repurchase rate of 85%.
We are an integrated industrial and trading company specializing in hydraulic components. We have a core team focused on the R&D, production, and global trade of hydraulic system components for excavators, bulldozers, loaders, etc. Please feel free to contact us with any questions.
Providing any of the following information will complete an accurate compatibility check: ① Excavator brand + model + serial number ② Original part number (e.g., the number engraved on the nameplate)
We support compliant payment methods for independent websites, ensuring transaction security: Offline customized payment: For wire transfer (T/T) or Western Union, please contact our dedicated customer service representative to obtain your account information. We will provide payment vouchers simultaneously.
All hydraulic components come with a 6-month full machine warranty, covering performance failures caused by non-human factors (such as seal failure, accuracy deviations, etc.).
Quality control is implemented throughout the entire production chain, achieving "zero non-conforming products leaving the warehouse": A triple inspection mechanism: raw material incoming inspection (such as hardness testing of hydraulic valve materials), and random sampling during production (10% of each batch undergoing pressure testing).
We are happy to provide small-batch trial production services to verify product compatibility. We have flexible production lines capable of efficiently handling multi-variety orders. Once the trial order is successful, we will incorporate your product technical data into our production management system to ensure the quality stability and delivery reliability of subsequent large-scale supplies.
Yes. We have hydraulic system integration capabilities. From schematic design, component selection, valve block design and manufacturing to tank and piping manufacturing and system assembly testing, we can provide one-stop hydraulic power unit or system solutions to help you simplify your supply chain and optimize system performance.
As a source manufacturer, we possess end-to-end control capabilities, from design and R&D, raw material procurement, precision machining to assembly and testing. This allows us to offer more competitive costs and prices, achieve rapid and flexible customized production, and ensure full-process traceability and quality assurance for our products. You are not just buying a product, but acquiring a complete solution based on deep technological understanding.
We implement end-to-end quality control from raw material warehousing to finished product delivery. Key processes include: raw material spectral analysis, coordinate measuring machine (CMM) measurement of core components after CNC machining, cleanliness control during assembly, and final functional and durability testing. Each process has rigorous inspection records.
We would be very happy to welcome such offers. We maintain long-term partnerships with many large domestic and international repair companies and equipment remanufacturing plants. We can offer tiered bulk discounts and provide OEM/ODM manufacturing services tailored to your brand requirements. Please contact our international sales manager directly to discuss specific cooperation frameworks.
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