Looking for concealed door hinges? We are a leading manufacturer of hidden door hinges and bring you an innovative range of solutions.

Product Advantages

• No visible barrel or pin

• Maintenance free bearing mechanism

• Aesthetically pleasing hinge covers further conceal fittings while the door is open

• Can be used on right or left handing doors

• The three-axis（3D) adjustable hinge can be adjusted in three directions to align door margins for the perfect fit

• Designed and tested to withstand heavy traffic flow

• A variety of hinge sizes and dimensions

Overview

* The product is made of 304 stainless steel

* Can bear a maximum door weight of 200kg

* The maximum opening angle is 150°

* Can achieve up and down adjustment of ±3mm

* Left and right adjustment ±4mm

* Front and rear adjustment ±2mm 

Product Data

* Length:227/227 ,  Width:36/36 ,  Opening angle:≤150°

DELIVERY

1. Samples: DHL/UPS/FedEx/TNT, door-to-door

2. Bulk goods: Sea freight, FCL/LCL

3. Accept designated forwarders or negotiable shipping methods

Q1: Are you a factory?

A1: Yes, we are a professional door hardware manufacturer founded in 2007. We own an 8,000㎡workshop, 10+ production lines and 100+ skilled employees, with an annual output of over 50,000 tons. We have 16+ years of export experience and reliable mass production capacity.

Q2: What products does Haolon offer?

A2: Haolon’s main product lineup consists of complete door control hardware, including pivot hinge series, 2D & 3D adjustable concealed hinge series, stainless steel hinge series, oil-free damping hinge series, door closer series, as well as other door hardware accessories.

Q3: How does your factory control quality?

A3: We strictly adhere to ISO9001 and 6S management, ensuring streamlined processes from order acceptance to after-sales support. With full product certifications & test reports—including fire resistance, SGS, CE and UL—high quality is the cornerstone of our long-term client partnerships.

Q4: What is your usual delivery time?

A4: For bulk orders, the typical delivery time is 20-35 days after we receive your deposit. If you have urgent requirements, we can discuss expediting production based on our current capacity.

Q5: How do you handle complaints, quality issues, after-sales service and other related matters?

A5: We assign dedicated staff to follow up on every order, and each order is backed by professional after-sales support. In the event of a valid claim, we shall accept corresponding liability and provide compensation in strict accordance with the contract.To better serve our customers, we continuously track and collect product feedback from them, which is what sets us apart from other suppliers. We are a customer-centric enterprise."

Q6: What is your minimum order quantity (MOQ)?

A6: We do not set any minimum order quantity (MOQ). We treat every single order with earnest care and attention. Should you plan to place a trial order, please feel free to contact us anytime, and we will fully accommodate your needs.

Q7: Can you provide OEM or ODM services?

A7: Yes, we have a strong R&D team. All products can be customized in accordance with your specific requirements.

Q8: Can you provide me with samples?

A8: Yes, we can provide samples for you to test and verify the quality. This ensures the goods match the samples upon delivery.

Q9: What are your payment terms?

A9: 30% by T/T as a deposit, and the remaining 70% to be paid prior to delivery.