Engineering Excellence for Cleaner Mobility
Your Trusted Manufacturing Partner for Automotive Emission Control Components
Founded in 1990,Wenzhou Pinyi Automobile Accessory Co.,Ltd.is a technology-driven manufacturer specializing in the design, engineering, and production of EGR Valves, EVAP Purge Valves, and AdBlue Heated Hoses for the global automotive aftermarket.
With a commitment to engineering excellence, intelligent manufacturing, and uncompromising quality, we deliver OE-quality emission control components that help our customers build stronger brands, improve market competitiveness, and achieve sustainable growth.
Today, our products serve customers across Europe and other international markets, supporting importers, distributors, aftermarket brands, wholesalers, and automotive parts specialists with reliable products and dependable supply.
Engineering Creates Value
Technology is the foundation of our competitiveness.
Our engineering team combines years of industry expertise with advanced development methodologies to design products that deliver outstanding performance, durability, and reliability.
From product design and reverse engineering to rapid prototyping, validation testing, and continuous optimization, every project is managed with precision and professionalism.
Our goal is simple:
Transform engineering expertise into customer value.
Manufacturing with Precision
Reliable quality begins with reliable manufacturing.
Our production facilities integrate advanced CNC machining centers, automated assembly systems, intelligent production management, and comprehensive testing equipment to ensure manufacturing consistency and operational efficiency.
The factory covers a well-organized production area including:
CNC machining workshops
Injection production lines
Assembly lines
Testing and inspection laboratories
Warehousing and logistics centers
Every manufacturing process follows standardized procedures designed to minimize variation, improve productivity, and guarantee repeatable quality.
Because precision manufacturing creates reliable products.
Quality Beyond Standards
Quality is not simply a department. It is the way we think, design, manufacture, inspect, and improve.
Our Quality Management System is certified to IATF 16949 and built around internationally recognized automotive quality methodologies.
We systematically apply the AIAG-VDA Core Tools, including:
APQP – Advanced Product Quality Planning
PPAP – Production Part Approval Process
AIAG-VDA FMEA
SPC – Statistical Process Control
MSA – Measurement System Analysis
Control Plans
Process Flow Diagrams
8D Problem Solving
Layered Process Audits (LPA)
Full Product Traceability
Every component is manufactured through controlled processes supported by preventive quality planning, intelligent inspection, and continuous improvement.
Our commitment is clear:
Zero Defects. Zero Compromise. Continuous Improvement.
Products Designed for the European Aftermarket
Our product portfolio focuses on automotive emission control components that meet OE performance requirements and the evolving needs of the European aftermarket. Our core products include:
EGR Valves
EVAP Purge Valves
AdBlue Heated Hoses
The products are widely used in: Passenger cars (BMW, VW, Audi, Mercedes,Ford etc.), Commercial vehicles and trucks, Diesel and gasoline engine systems, Euro 5 / Euro 6 /Euro 7 emission systems. Each product is developed to deliver precise fitment, reliable functionality, long service life, and consistent performance. Through continuous product expansion and OE reference coverage, we help customers strengthen their product portfolios and improve market competitiveness.
More Than a Manufacturer
We believe customers need more than a supplier.
They need a reliable manufacturing partner.
Our commitment extends beyond production by providing:
Professional engineering support
Stable manufacturing capacity
Flexible OEM and private label solutions
Reliable global logistics
Responsive customer service
Continuous product development
Long-term business partnership
Our success is measured by the long-term success of our customers.
Our Service
01
Pre-Sales Support
Fast response within 24 hours
OEM number identification support
Product selection and technical consultation
02
In-Sales Service
Stable production scheduling
Strict quality control during manufacturing
Flexible packaging and private labeling (OEM/ODM)
03
After-Sales Service
Technical support and installation guidance
Quality feedback handling
Long-term cooperation support
Looking Forward
The automotive industry is undergoing rapid transformation toward cleaner, smarter, and more sustainable mobility.
We will continue investing in engineering innovation, intelligent manufacturing, digital quality management, and customer-focused solutions.
Guided by our vision, mission, and values, we remain committed to delivering reliable automotive emission control components that meet the highest international standards.
Together with our global partners, we are shaping a cleaner future-one component at a time.
Engineering Excellence. Reliable Quality. Long-Term Partnership.