High-Pressure Durable Oil Return Pipe for Engine Efficiency

Product Description

Custom high-pressure and low-pressure oil pipe factory

The internal combustion engine fuel injection high-pressure oil pipe is designed according to the boundary conditions given by the OEM, and then a professional technical team designs the specific parameters of the pipe as follows: pipe route, heading structure, pipe clamp fixed point, nut structure, pipe specifications, strengthening parameters, etc. We have a complete incoming material inspection process and inspection equipment. Incoming material inspection equipment includes a spectrometer, tensile testing machine, endoscope, hardness tester, roughness detector, metallographic analysis equipment, and other equipment. Complete inspection procedures and inspection equipment to ensure the qualification of all raw materials. Zero-defect products can be produced through advanced production lines and scientific process control. The high-pressure oil pipe reinforced by ultra-high pressure will not fatigue crack even when used under harsh working conditions and when the engine outputs high torque. Scientific cleanliness management ensures that every pipe meets the standard, ensuring a smooth flow of fuel injection. The engine is the heart of the car, and the high-pressure oil pipe is the heart of the engine. Therefore, high-pressure oil pipes are crucial to the entire vehicle. You can provide design drawings for customization

After Sales Service

Original Warranty: We ensure that this product is original

Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.

Company Profile

Zhejiang Aojia Automobile Parts Manufacturing Co., Ltd. is a professional company that adopts German technology and is dedicated to the research, development, and production of environmentally friendly engines and vehicle pipeline systems. The company's development philosophy is "meticulous, refined, and high-quality." It was established in 2006 as a private joint-stock enterprise, with a factory area of over 15,000 square meters and a registered capital of 21.88 million yuan. Engine Fuel Injection High Pressure Oil Pipe Manufacturers and Wholesale Heavy/Light Truck Oil Lines Factory in China.The company possesses several dozen national patents and independent intellectual property rights and is recognized as a national high-tech enterprise. The company's products have achieved several industry-firsts in terms of technology. The company places great importance on technological development and modern management. It obtained ISO/TS16949 international quality management system certification in 2007 and has established a complete quality management system, implementing the 6S production site management standards. The company utilizes advanced technology and processes. The production process adopts full CNC (Computer Numerical Control) technology. Wholesale Truck High-Pressure Oil Pipe. At the same time, the company has introduced international production and testing equipment from Germany, the United States, Taiwan, and other countries.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Truck Parts                                                                     crankshaft 
heavy truck                                                                     cylinder block
engine part                                                                     vat bed
cylinder head                                                                 valve lifter
air compressor                                                              generator
camshaft                                                                        oil pump ass

FAQ

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
Q: What product types does Feiman Auto Parts specialize in?
A: We design and manufacture high-precision automotive components, including:
• Engine Parts: Pistons, cylinder liners, valve train components
• Chassis Components: Suspension arms, steering knuckles, brake calipers
• Transmission Parts: Gears, shafts, synchronizers
• Custom Fabrication: OEM/ODM solutions for special vehicles and machinery.
Q: Are your parts compatible with European/American/Asian vehicle models?
A: Yes. Our components support global compatibility:
• Provide OEM numbers, CAD drawings, or VIN codes for exact matching.
• Custom engineering services available for non-standard applications.
Q: What certifications ensure your product quality?
A: We adhere to international standards with:
• IATF 16949:2016 (Automotive Quality Management System)
• ISO 9001:2015
• Material certifications (e.g., DIN, SAE, JIS)
• ROHS/REACH compliance
Certificates available upon request.
Q: What is your minimum order quantity (MOQ)?
A: Standard parts: MOQ 50–200 units (varies by product).
• Custom projects: MOQ negotiable, with volume discounts.
• Sample orders accepted for quality verification.
Q: How do you handle quality control?
A: Rigorous QC protocols include:
• 3-stage inspection (raw material → production → final)
• Dimensional checks with CMM machines & gauges
• Performance testing (fatigue, hardness, salt spray)
• PPAP documentation for OEM projects
Q: What are your lead times?
A: Standard parts: 15–30 days after order confirmation.
• Custom orders: 30–45 days (depending on complexity).
• Expedited production available (+10–15% cost).
Q:  Can you ship to my country? What are the terms?
A: Global shipping via FOB, CIF, DDP (Incoterms 2020).
• Seaport/airport delivery: Ningbo, Shanghai, Guangzhou.
• Export documentation handled end-to-end.