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Company ProfileProfessional Remanufacturing, Driving Trust.Guangzhou Shanhai Auto Parts Co., Ltd. has been deeply rooted in the field of transmission remanufacturing for ten years. Based in Guangzhou, we are dedicated to the production and global supply of core components for automatic transmissions, including remanufactured transmissions, control modules, mechatronic units, and valve bodies.
Products & Services:
We specialize in transmission-related parts for premium brands such as Mercedes-Benz, BMW, Audi, Volkswagen, Buick, Honda, and Nissan. Additionally, we provide high-quality used parts, remanufactured components, and genuine OEM auto parts for a wide range of vehicle models.Company StoreChoosing Guangzhou Shanhai Auto Parts means choosing professionalism, reliability, and peace of mind. Let our dedication to precision in remanufacturing drive your trust!
The Guangzhou Shanhai Auto Parts store is your first point of contact with our professional services and serves as the central hub connecting us with our customers to deliver value. More than just a product display, it is a comprehensive service center integrating customer consultations, professional sales, efficient order processing, and full after-sales support.
Our store is an offline extension of our expertise and commitment to integrity. We strive to provide you with a seamless, professional, and worry-free one-stop service experience. From the moment you step into our store, you'll experience our specialized focus on transmissions and our customer-first service philosophy. Welcome to visit and inquire!Factory SpecificationsGuangzhou Shanhai Auto Parts — 1,000square meter,Professional WorkshopGuangzhou Shanhai Auto Parts — 1,000square meter,Professional Workshop
Core Advantages:
Spacious & Specialized Zones:
Scientifically designed areas for disassembly, cleaning, repair, assembly, and testing ensure efficient and orderly production.
Full-Range Parts Support:
Maintains comprehensive inventory of core transmission components for premium brands (Mercedes-Benz, BMW, Audi, Volkswagen, Buick, Honda, Nissan, etc.), enabling rapid response to diverse demands.
Cutting-Edge Equipment:
Ultrasonic Deep Cleaning: Achieves thorough, residue-free cleanliness for components.
Precision Sandblasting: Removes rust/oxidation aggressively, restoring base material integrity.
Solenoid Valve Tester: Rigorously validates performance and reliability of control module actuators.
Professional Test Bench: Simulates real-world conditions to comprehensively verify transmission performance.
Standardized Operations, Strict QC:
SOP-compliant workflows | 5S on-site management | Certified technicians
Ensures precision-controlled processes and consistent quality at every stage.Factory EquipmentGuangzhou Shanhai Auto Parts — Core Assurance: Professional Solenoid Valve TestingThis image showcases the precision solenoid valve tester—a critical quality guardian on Guangzhou Shanhai Auto Parts' transmission control module remanufacturing line.
 
How the Tester Ensures Quality?
 
True-to-Life Simulation:
Replicates real transmission operating conditions (oil pressure, temperature, current load) within the testing environment.
 
Precision Measurement:
Monitors core parameters in real-time: valve response time, pressure control linearity, leakage rates, and operational stability.
 
Rigorous Standards:
All measurements must strictly meet OEM specifications or Shanhai's high-performance benchmarks—zero tolerance for deviations.
 
The Indispensable "Passport":
This tester serves as the ultimate quality checkpoint in the remanufacturing process. Only solenoid valves that pass its comprehensive and stringent testing—confirmed as high-performing and reliably stable—earn the qualification for assembly into remanufactured control modules. It eliminates root risks of valve failure, forming the technical backbone of Shanhai's promise: remanufactured modules that deliver "as-new reliability".Factory WorkshopGuangzhou Shanhai Auto Parts - The Heart of Remanufacturing: Precision Production WorkshopThis image showcases the core engine of Guangzhou Shanhai Auto Parts Co., Ltd. - our professional automatic transmission remanufacturing workshop. Here, every reborn automatic transmission undergoes our rigorous, standardized full-process remanufacturing procedures.
 
Our Precision Remanufacturing Process:
 
Professional Disassembly:
Performed by experienced technicians using standardized methods to ensure component separation without damage. Deep Cleaning:
Utilizing advanced ultrasonic cleaning technology to thoroughly remove oil residues and contaminants, creating a pristine foundation for subsequent processes. Precision Inspection & Repair/Replacement:
Conducting high-accuracy testing on all core components with strict screening. Worn or damaged parts are precisely repaired or replaced using specialized techniques and OEM-grade parts. Professional Assembly:
Certified technicians perform meticulous assembly strictly following technical specifications to ensure perfect component integration. Comprehensive Testing:
Mechanical performance testing,Professional test bench simulations of various operating conditions,Rigorous verification of transmission/component mechanical performance, shift logic, and pressure values Quality Assurance:
Every step embodies our commitment to precision engineering, transforming used transmissions into products that meet or exceed original performance standards.Vehicle Testing WorkshopGuangzhou Shanhai Auto Parts - Remanufacturing Test WorkshopReal-Vehicle Dynamic Testing: Our Critical Quality Gateway! Here, every remanufactured product undergoes the ultimate validation:
Installed in actual vehicles for real-world road testing,Extended multi-condition evaluation across diverse driving scenarios,Comprehensive verification of stability, reliability, and system compatibility
 
Our Quality Pledge:
Only products that pass these rigorous trials—exceeding OEM performance standards—earn certification for global delivery. This is our ironclad commitment to every customer: Remanufactured Excellence, Guaranteed.Product DescriptionTechnical SpecificationsQuality as Our Foundation:
We guarantee that every remanufactured product undergoes rigorous real-vehicle testing and professional inspection to ensure full compliance before reliable delivery to global customers.
 
Products & Services:
We specialize in transmission-related components for premium automotive brands including Mercedes-Benz, BMW, Audi, Volkswagen, Buick, Honda, and Nissan. 
 
Our offerings include:
Remanufactured transmissions,Transmission control modules,Mechatronic units,Valve bodies,Additionally, we provide comprehensive solutions featuring:(High-quality used parts,Refurbished/remanufactured components,Genuine OEM auto parts,Transmissions,Transmission Control Modules,Mechatronic Units,Valve Bodies)Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days
 
Q::What is the Payment term ?
A: T/T or U/C at sight. 30% Deposit for start the production, the balance before the shipment when goods are ready.
 
Q:  What are the packing details?
A: Packed with carton boxes and wooden cases[composite board].
 
Q:  How is the quality of your products?
A: Quality First: We are committed to ensuring that every remanufactured product undergoes rigorous real-world vehicle testing and professional inspections before being reliably delivered to customers worldwide.
 
Q: How big is your company?
A: Guangzhou Shanhai Auto Parts Co., Ltd. operates a 1,000square metres professional workshop. With ten years of expertise in transmission remanufacturing, we are based in Guangzhou and specialize in the production and global supply of core components for automatic transmissions.