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HAGCHAG Seals - To Be The Leading Rubber O Ring And Silicone Rubber Products Manufacturer In The World.

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Product Catagory

HAGCHAG Seals is a professional rubber o ring and silicone rubber products manufacturer in China.

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 HAGCHAG Seals, 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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rubber o ring & silicone rubber products

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!

Factory direct sales with competitive prices

and guaranteed after-sales service

10+
Years of experience
10+ years OEM/ODM making experience.
different sizes
More than 1000 different sizes in stock
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 staff. 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 pieces of equipment including 2 material mixing machines, 2 automatic material cutting machines, 7 moulding 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, HAGCHAG Seals has become a renowned manufacturer in the silicone rubber industry. The silicone rubber products are exported to the United States, Canada, Australia, the United Kingdom, France, Spain, Germany, Singapore, Japan, Malaysia, and Thailand etc.

silicone rubber products

Production process

HAGCHAG Seals uses 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.
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production equipment 

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

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Application

The silicone rubber 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.
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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
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
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
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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! 
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