genuine and new main control valve 31NB-19110 31NB-17110 for R450-7
genuine and new main control valve 31NB-19110 31NB-17110 for R450-7 from Jining Qianyu company 
Our company can supply genuine spare parts
1) Undercarriage spare parts: Track shoe, Track Link, Bolt, Track roller, Carrier Roller, Sprocket, Front Idler, Idler Cushion
2) Engine spare parts: Cylinder Head, Cylinder Block, Turbocharger, Piston, Piston Ring, Metal, Crankshaft, Oil Pump, Fuel injection Pump, Water Pump, Alternator, Starting Motor
3) Hydraulic spare parts: Main Valve, Main Pump, Solenoid Valve, Boom/Arm/Bucket Cylinder, Final Drive, Travel Motor, Swing Machinery, Swing Motor
4) Operator’s Cab spare parts: Cab Ass’y, Monitor, Controller, Engine Controller, Wiring Harness, Seat, Air Conditioner, Air Compressor
| Model |
| PC40, PC60-5-6-7, PC100, PC120, PC130, PC240, PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC4001-3-5, D20, D30, D31, D50, D60, D75, D80 (D85), D155 |
| EX40, EX60, EX150, EX100M, EX100, EX120, EX150, EX200-1-2-3, EX300-1-3-5, EX400, UH08, UH07 |
| E110B, E200B (E320), E240 (MS180), E300B, E330, D3C, D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K |
| DH220, DH280, |
| R200, R210 |
| HD250, HD400 (HD450), HD500, HD550, HD700 (HD770), HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH1880 |
| SK07N2, SK07-7SK200, SK220, SK300, SK320 |
| SH120, SH200, SH280, SH300, SH400 |
| MS110, MS120, MS180 |
| SE55, SE210 |
| Company Information -------- Qianyu -------- |
Jining Qianyu Commercial & Trade Co., Ltd. is specialized in the wholesale and retail of bulldozers, excavators and other construction machinery and parts. Located in the famous construction machinery city - Jining, Shandong Province, which is the base of bulldozer and excavator factories, we enjoy special advantages to supply all machinery parts with good quality and competitive prices. We adhere to the tenet of "Quality First, Credit First". We would like to establish long-term friendly business relationships with your esteemed company. If you are interested in our products, please contact us directly. We are looking forward to your inquiries.
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Our company can supply genuine spare parts
1) Undercarriage spare parts: Track shoe, Track Link, Bolt, Track roller, Carrier Roller, Sprocket, Front Idler, Idler Cushion
2) Engine spare parts: Cylinder Head, Cylinder Block, Turbocharger, Piston, Piston Ring, Metal, Crankshaft, Oil Pump, Fuel injection Pump, Water Pump, Alternator, Starting Motor
3) Hydraulic spare parts: Main Valve, Main Pump, Solenoid Valve, Boom/Arm/Bucket Cylinder, Final Drive, Travel Motor, Swing Machinery, Swing Motor
4) Operator’s Cab spare parts: Cab Ass’y, Monitor, Controller, Engine Controller, Wiring Harness, Seat, Air Conditioner, Air Compressor
pump ,valve,final drive ,travel motor ,swing motor ,gear box,reducer
Q1:How long is the warranted time?
For natural broken, 3 months. Guarantee genuine parts.
Q2: What's payment you can accept?
T/T, WESTERN UNION, CHINESE BANK,PAYPAL.
Q3: What's package? Can you give me the package according my requirement?
Yes, Original packing or Neutral packing with wooden box or carton.
Q4: How about the lead time?
1) In stock: 1-3days.Always in 24 hours.
2) Out of stock: It's according to your quantity, and we have cooperated with factory. We will let you know when we quote.
Q5: What's the shipping way you can offer?
1) Big order: By sea or by air.(It can reduce the costs).
2) Small order: DHL, TNT, UPS, FEDEX, EMS,ARAMEX.
Q6: Whta's the terms of the transaction?
EXW, FCA, FAS, FOB, C&F, CIF, CPT, CIP, DAF, DES,DDP.
Q7: Do you accept small order?
Yes, small order can accept.
Q8: What's brand you can offer in your company?
1) OEM, 100% GENUINE PARTS, COPY(Made in China).
2) GENUINE PARTS.
1.Parts can be shipped in 3 days after get your deposit. 2.Standard package or to your request 3.According to the goods to choose the best shipping method.
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