| Availability: | |
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| Quantity: | |
Specification
Product name | 40mm cup hydraulic hinge |
Material | Iron/Stainless steel201&304 |
Type | hydraulic hinge |
Usage | cabinet/furniture etc |
Brand | OULA |
Angle of opening | 105 |
Depth of hinge cup | 11.5 mm |
Diameter of hinge cup | 35mm |
Dimension of cabinet | 3-7mm |
Range of cabinet thickness | 14-24mm |
| Weight | 114g/piece |
Finishing | NP |
Testing | Salt Spray Test Hours:24-36 hours Cycle Test: 70000 times |
More professional service | 1.Allowed OEM&ODM service 2.Customized logo and packing available |
Meterial&Surface Finish
※Standard thickness
※Quality cold-rolled steel
It is made of high-quality material,solid,durable, quiet and the service life is longer
※Different types for you to chose
Clip on type is easy to disassemble

Aceesories Details
※Six-piece springs
The hinge spring has good reset performance. The spring leaf has been heated and is not easy to deform or break. It is very solid.
※Oil cylinder
Oil cylinder pipe buffer design sealde hydrualic transmission,opening and closing quietly.
※Good Flexibility&Wear-Resisting Rust
After selecting and processing the materials, and conducting strict tests on their wear resistance, hardness, and rust resistance (passing a 36-hour salt spray test), the hinges have a thick and shiny coating that is not easy to rust.

※Thick polybag&carton, support printing your logo
Package option(support customized brand)

※International hole position
Easy to install
Installation Step

suppot customomized product, need to offer drawering or sending real sample
Mini Orderquantity is 1000cartons(15sets-20sets/carton)
We will receive model cost depens on product requirement. Total order quantity meets 3containers will return back all model cost
Model making time: usually 30-40days(depend on product requirement)
1. who are we?
We are based in Guangdong, China, start from 2017,sell to Domestic Market(40.00%),Eastern Europe(30.00%),Eastern Asia(10.00%),South America(5.00%),Central America(5.00%),Africa(5.00%),Mid East(5.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Drawer Slide, Hinge, Door Hinge
4. why should you buy from us not from other suppliers?
China Top 3 draw slide factory group with over 35years experience .High quality products make sure customer satisfie and long lasting marketing development . We OEM for many famous brands all over world and export to over 30 countries with best experience
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,Express Delivery;
Accepted Payment Currency: USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash;
The OEM/ODM 4-inch ball bearing door hinges provide a reliable, stylish, and long-lasting solution for wooden doors in homes, offices, and commercial projects. Available in multiple sizes, finishes, and bearing configurations, they combine modern iron design with superior durability.
As a professional door hinge manufacturer and factory, we offer these hinges for sale in wholesale quantities, supporting OEM and ODM services. Perfect for suppliers, furniture makers, and construction contractors seeking high-quality door hinges.
Contact us today to request samples, pricing, or customization options. Send your inquiry now to secure professional hinges for your next door or furniture project.
Specification
Product name | 40mm cup hydraulic hinge |
Material | Iron/Stainless steel201&304 |
Type | hydraulic hinge |
Usage | cabinet/furniture etc |
Brand | OULA |
Angle of opening | 105 |
Depth of hinge cup | 11.5 mm |
Diameter of hinge cup | 35mm |
Dimension of cabinet | 3-7mm |
Range of cabinet thickness | 14-24mm |
| Weight | 114g/piece |
Finishing | NP |
Testing | Salt Spray Test Hours:24-36 hours Cycle Test: 70000 times |
More professional service | 1.Allowed OEM&ODM service 2.Customized logo and packing available |
Meterial&Surface Finish
※Standard thickness
※Quality cold-rolled steel
It is made of high-quality material,solid,durable, quiet and the service life is longer
※Different types for you to chose
Clip on type is easy to disassemble

Aceesories Details
※Six-piece springs
The hinge spring has good reset performance. The spring leaf has been heated and is not easy to deform or break. It is very solid.
※Oil cylinder
Oil cylinder pipe buffer design sealde hydrualic transmission,opening and closing quietly.
※Good Flexibility&Wear-Resisting Rust
After selecting and processing the materials, and conducting strict tests on their wear resistance, hardness, and rust resistance (passing a 36-hour salt spray test), the hinges have a thick and shiny coating that is not easy to rust.

※Thick polybag&carton, support printing your logo
Package option(support customized brand)

※International hole position
Easy to install
Installation Step

suppot customomized product, need to offer drawering or sending real sample
Mini Orderquantity is 1000cartons(15sets-20sets/carton)
We will receive model cost depens on product requirement. Total order quantity meets 3containers will return back all model cost
Model making time: usually 30-40days(depend on product requirement)
1. who are we?
We are based in Guangdong, China, start from 2017,sell to Domestic Market(40.00%),Eastern Europe(30.00%),Eastern Asia(10.00%),South America(5.00%),Central America(5.00%),Africa(5.00%),Mid East(5.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Drawer Slide, Hinge, Door Hinge
4. why should you buy from us not from other suppliers?
China Top 3 draw slide factory group with over 35years experience .High quality products make sure customer satisfie and long lasting marketing development . We OEM for many famous brands all over world and export to over 30 countries with best experience
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,Express Delivery;
Accepted Payment Currency: USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash;
The OEM/ODM 4-inch ball bearing door hinges provide a reliable, stylish, and long-lasting solution for wooden doors in homes, offices, and commercial projects. Available in multiple sizes, finishes, and bearing configurations, they combine modern iron design with superior durability.
As a professional door hinge manufacturer and factory, we offer these hinges for sale in wholesale quantities, supporting OEM and ODM services. Perfect for suppliers, furniture makers, and construction contractors seeking high-quality door hinges.
Contact us today to request samples, pricing, or customization options. Send your inquiry now to secure professional hinges for your next door or furniture project.





