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Text Content

To Be the Leading Rubber O Ring Manufacturer in the World

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Hengchang
Home
Products
Rubber O Ring
Silicone Bumper Pads
Rubber Bumper Pads
Rubber Grommet
Rubber Gasket Washer
Customized Rubber Parts
OEM/ODM Services
About Us
Info Center
News
FAQs
Contact Us





Hengchang

10+ years OEM/ODM making experience.
Factory direct sales with competitive prices!
More than 1000 different sizes in stock.
Free samples are available.
Any sizes customized are welcome!
read more

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To Be the Leading Rubber O Ring Manufacturer In The World
10+ years OEM/ODM making experience.
Factory direct sales with competitive prices!
More than 1000 different sizes in stock.
Free samples are available.
Any sizes customized are welcome!
read more

no data
To Be the Leading Rubber O Ring Manufacturer In The World
10+ years OEM/ODM making experience.
Factory direct sales with competitive prices!
More than 1000 different sizes in stock.
Free samples are available.
Any sizes customized are welcome!
read more

no data

Product Catagory

Engaged in the research and development, production and sales of various types
of silicone rubber products, including silicone rubber O-rings, silicone rubber
gaskets, silicone rubber washers,silicone rubber plugs...
Rubber O Ring
Custom high precision O-ring seals made from materials like FPM, FFKM, HNBR,
NBR, FKM, silicone, and EPDM offer superior durability, chemical resistance, and
sealing performance for diverse applications.
Silicone Bumper Pad
The silicone bumper pad is with high Quality.The silicone bumper pad is made of
high quality and eco-friendly silicone, water-proof, non-toxic, safe for the
environment.
Rubber Bumper Pad
The rubber bumper pad is made of high quality and eco-friendly material which is
water-proof, non-toxic, safe for the environment.
Rubber Grommet
The wire grommets using high-quality rubber material that is highly elastic and
durable, providing excellent electrical insulation capabilities. It is
corrosion-resistant, withstands high temperatures, and is tear-resistant.
Rubber Gasket Washer
The rubber gasket washer is made of high quality rubber material, rubber spacer
features fine workmanship, tough and wear resistant, sturdy and quality, strong
and reliable, not easy to break, can serve for a long time.
Customized Rubber Parts
The customized rubber parts are made of high quality rubber material as
requirements closely, which features fine workmanship, tough and wear resistant,
sturdy and quality, strong and reliable, not easy to break, can serve for a long
time.
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OEM&ODM Customized Servcie

Our professional team will maintain 24-hour online service. If you choose to
cooperate with Dongguan Hengchang Sealing Technology Co., Ltd., our team will be
your good assistant and best secretary in China! 
Customizable Logo
It's necessary to offer the logo design
Customize Shapes And Sizes
It's necessary to offer the actual sample or the 3D file for the shape design.
Customize Materials
The most material we use is Silicone(VMQ), Nitrile(NBR), EPDM, VITON(FKM) and
HNBR etc.
Customizable Colors
It's necessary to offer the exact pantoner number or color sample.

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Why Choose Us

  With more than 10 years OEM/ODM making experiences for silicone rubber
products. 

  Factory direct sales with competitive prices and guaranteed after-sales
service!
  With professional research and development, sales,quality inspection and
technical team services.
  With advanced production equipments.
  With more than 1000 different sizes in stock.

  Free samples are available.

  Lower minimum order quantity.

  Any sizes customized are welcome!



READ MORE
Customized Water Bottles At Your Fingertips
Supported by a talented design team, MaryBottle will bring your creative ideas
into reality. From raw materials, colors, shapes, sizes to logo and packaging,
you are given free choices to customize your own products.

customized now

Color: clear, color or gradient
Material: Recycled Plastic Or stainless steel
  Send Your Design/Idea
Confirm 3D Drawing & Logo Design
3D Printing & Quotation
Mode Design & Sample Confirm

Factory direct sales with competitive prices

and guaranteed after-sales service


10+
Years of experience
10+ years OEM/ODM making experience.
1000
different sizes
More than 1000 different sizes in stock
100+
skilled staffs
Our team has more than 100 skilled staffs.
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About Us

Dongguan Hengchang Sealing Technology Co., Ltd. is engaged in the research and
development, production and sales of various types of silicone rubber products,
including silicone rubber O-rings, silicone rubber gaskets, silicone rubber
washers,silicone rubber plugs, rubber grommet,silicone rubber feet pad and
customized silicone rubber parts.

Our team has more than 100 skilled staffs. We use advanced ERP management
software, which can check the customer's order progress and real-time control
inventory at any time so that timely and punctual shipment can be guaranteed.
Our factory has advanced production equipments including 2 material mixing
machines, 2 automatic material cutting machines, 7 molding machines, 2 burring
machines, and multiple stamping machines to meet the diverse customization needs
of customers. We also have one O-ring full inspection machine that can ensure
full inspection for all O-ring products. We strive to maintain higher
requirements for quality and meet the needs of global customers. Our business
principle is sincere cooperation, integrity first.

After more than ten years of development, Dongguan Hengchang Sealing Technology
Co., Ltd. has become a renowned manufacturer in the silicone rubber industry.
The products are exported to the United States, Canada, Australia, the United
Kingdom, France, Spain, Germany, Singapore, Japan, Malaysia, and Thailand etc.

customized →


Production process


We use advanced ERP management software, which can check the customer's order
progress and real-time control inventory at any time so that timely and punctual
shipment can be guaranteed.
1. Mix the material
2. Cutting the material
3.Molding
4. Manual edge removal
5. Full inspection
6. 2.0 dimensional detection
7. Ready for package

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production equipment 

We have advanced production equipment.We strive to maintain higher requirements
for quality and meet the diverse customization needs of global customers. 

Material Mixing Machine
Material Cutting Machine
Molding Workshop
Molds Storage
Secondary Sulfur CNC Oven
Automatic Edge Removal Machine
Fully Automatic lmage Detection and Screening Machine
Inspection Workshop
Subsequent processing stamping equipment
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Application

The products can be widely used in household life, medical, automotive,
electronic and mechanical industries. We strive to maintain higher requirements
for quality and meet the needs of global customers. 

Medical industry
The products can be widely used in household life, medical, automotive,
electronic and mechanical industries.
1970 01 01
automotive industry
The products can be widely used in household life, medical, automotive,
electronic and mechanical industries.
1970 01 01
electronic industry
The products can be widely used in household life, medical, automotive,
electronic and mechanical industries.
1970 01 01
mechanical industry
The products can be widely used in household life, medical, automotive,
electronic and mechanical industries.
1970 01 01
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Latest News
After more than ten years of development, Dongguan Hengchang Sealing Technology
Co., Ltd. has become a renowned manufacturer in the silicone rubber industry. 
We strive to maintain higher requirements for quality and meet the needs of
global customers. 
The Advantages and Usage of Food Grade Silicone
The advantages of food grade silicone include non-toxic, odorless, high
transparency, softness, good elasticity, resistance to twisting and deformation,
no cracking, long service life, cold and high temperature resistance, higher
tear strength, and superior electrical performance. These characteristics of
food grade silicone make it an ideal material, widely used in multiple fields. ‌
2024 08 14
The Development Trend of Silicone Buttons
The universality of silicone buttons is very wide, including industrial
machinery operation buttons, household appliances, mobile phones, etc. Silicone
buttons are used most frequently on mobile phones. With the development of high
technology, mobile phone buttons have undergone a major reform, changing to
touch screens for control, which greatly reduces market development. In future
applications, silicone is also a market that cannot be ignored.
2024 08 14
About Rubber
In the past few years, people in the silicone products industry did not
understand the process of silicone. As the silicone industry becomes more and
more well-known, the types of products made from silicone are also increasing.
So, what will be the future development of silicone products?
2024 08 14
The Development of Silicone Products Industry
In the past few years, people in the silicone products industry did not
understand the process of silicone. As the silicone industry becomes more and
more well-known, the types of products made from silicone are also increasing.
So, what will be the future development of silicone products?
2024 08 14

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Get in touch with us
Our professional team will maintain 24-hour online service. If you choose to
cooperate with Dongguan Hengchang Sealing Technology Co., Ltd., our team will be
your good assistant and best secretary in China! 
input must not exceed 200 in length!
name
Please enter a valid email address!
email
textarea must not exceed 65530 in length!
content
send inquiry now
Ready to work with us?
jessica@hcsilicontec.com

Dongguan Hengchang Sealing Technology Co., Ltd. is engaged in the research and
development, production and sales of various types of silicone rubber products.


Links

Home
Products
OEM/ODM Services
About Us
Info Center
Contact Us
Products

Rubber O Ring
Silicone Bumper Pads
Rubber Bumper Pads
Rubber Grommet
Rubber Gasket Washer
Customized Rubber Parts
Contact


Tel: +86-769-81281572

Mobile & WhatsApp: +86-013559782949

Wechat: 008613510578259

E-mail: jessica@hcsilicontec.com

Add: No.63 Pingshan 188 Industrial Road, Tangxia Town Dongguan City, Guang
Dong,China

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Hengchang

Home
Products
Rubber O Ring
Silicone Bumper Pads
Rubber Bumper Pads
Rubber Grommet
Rubber Gasket Washer
Customized Rubber Parts
OEM/ODM Services
About Us
Info Center
News
FAQs
Contact Us
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