Sobre nosotros

ABOUT US / DEZHOU, CHINA

Meet Maochang.
See what we make.

Automotive exhaust components, manufacturing detail and a practical approach to working together.

Maochang factory exterior in Dezhou, Shandong Assembled metal housings with welded joints

FROM THE FACTORY FLOOR
TO THE FINISHED COMPONENT

OUR COMPANY

Dezhou Maochang Environmental Protection Technology Co., Ltd.

Based in Dezhou, Shandong, Maochang is a manufacturer and exporter focused on automotive catalytic converters and related exhaust components. Our work brings together product requirements, component preparation, manufacturing and order coordination for the automotive aftermarket.

We support distributors, repair businesses and private-label buyers looking for a clearly defined product and a dependable route to supply. From an existing catalogue reference to a drawing or sample, the starting point is understanding the application and agreeing the details that matter.

Catalytic converters, ceramic substrates, exhaust flex pipes and related metal components form part of our product range. Our factory photographs show the materials, production areas, component details and packing preparation behind that range.

Discover our manufacturing
Based in
Dezhou, Shandong, China
Our focus
Automotive exhaust components
Development support
OEM & ODM requirements
Working with
Aftermarket & business buyers

FACTORY & WORKSHOP

A closer look
inside Maochang.

A view of our workshop, material preparation and production equipment. Explore the spaces behind our automotive exhaust component range.

MATERIALS & COMPONENTS

The parts behind
the complete product.

Different applications call for different configurations. We work through the component, material and installation details for the selected product reference.

ceramic real

Cerámica
substrates

Honeycomb carrier components for catalytic converter applications.

Formed exhaust components in workshop storage

Formed
components

Metal housings and prepared parts used in exhaust assemblies.

Automotive exhaust flex pipe components

Escape
flex pipes

Flexible connections for automotive exhaust systems.

Exhaust component batch prepared in the workshop

Assembled
components

A closer look at the finished components in our range.

Explore the catalogue, then share your OE reference, drawing or sample for a more specific discussion.

Explore the product catalogue

MANUFACTURING DETAIL

The detail matters.
Before the box is closed.

Welded joint detail on Maochang exhaust components
JOINING & ASSEMBLY DETAIL
Ceramic substrates fitted within metal housings
SUBSTRATE & HOUSING COMPONENTS

Materials & configuration

Shell, substrate, pipe and connection requirements are considered together with the intended application.

Fit & assembly

Dimensions, installation position, joint alignment and finishing details form part of the product discussion.

Inspection requirements

The inspection scope and any product-specific supporting documents are confirmed for the selected reference and order.

PACKING & DISPATCH

Prepared for
the journey ahead.

From cartons and packing materials to pallet preparation, delivery requirements are part of the conversation from the start.

Carton and pallet staging area inside Maochang
Cartons and pallets in the factory staging area

A finished component needs the right preparation for handling and transport. We coordinate packing and order details with the quantity, product configuration and destination in mind.

Product protection

Discuss the carton, protective material and packing arrangement for your selected products.

Order preparation

Confirm quantities, identification and marking requirements before dispatch arrangements are finalized.

Export coordination

Agree the shipment details and relevant documentation as part of the order.

Carton materials and packing preparation in the Maochang workshop
Packing materials and carton preparation
Packed cartons and warehouse preparation area
Warehouse and packed carton area

WORKING WITH MAOCHANG

A clear conversation.
A defined requirement.
A practical next step.

Whether you are building a product range, sourcing a replacement component or developing a private-label enquiry, we start with the information needed to assess the requirement.

01

Share the application

Send the vehicle and engine details, OE reference, installation position, drawing or sample photographs.

02

Define the specification

Review the material, dimensions, connections and relevant product requirements with our team.

03

Plan the order

Confirm the quantity, packing, inspection scope, documentation and delivery arrangements in the quotation.

LET’S DISCUSS YOUR REQUIREMENT

Your next component.
Let’s start with the details.

Contact our team