How is your after-sales service?

For defective products, please send pictures for verification. If the issue is ours, we will accept returns and send replacements without extra fees.

Can I get a free sample to check quality?

Yes, free samples are available for quality checking. You only need to pay for the express shipping cost, with delivery taking about 2-4 days.

What is the delivery time?

Our standard delivery time is usually 20-30 days after receiving the deposit.

How can I trust you for the first cooperation?

You can request samples to check quality, visit us face-to-face, or start orders via Alibaba Trade Assurance for security.

Soft-Closing 45 Degree Slide-on Hydraulic Concealed Cabinet Hinge

Name: Soft-Closing 45 Degree Slide-on Hydraulic Concealed Cabinet Hinge
Brand: Guangzhou Longterm Technology Co.,Ltd.
SKU: 1966974635

Guangdong, ChinaGuangzhou Longterm Technology Co.,Ltd.

US$0.20-3.00

1,000 Pieces

Product profile

Customization

Available

Material

Iron/Ss/Zinc/Crs

Style

Modern

Usage

Cabinet, Drawer, Dresser, Wardrobe, Closet, Chest, Cupboard

Hole Distance

Rotary

Fixed

Color

Cp/Bsn/Ab/Cp/Bsn/Ab/AC/Gp or as Requested

Certification

ISO9001

Customized

Condition

New

MOQ

1000PCS

Logo

Longterm or Customize for Clients

Service

24 Hours Response

Delivery

25-35 Days After The Deposit.

Opening Angle

100

Depth of Hinge Cup

11.3mm

Diameter of Hinge Cuo

35mm

Transport Package

Poly Bag+Inner Box+Master Carton, 1 PCS 1 Poly Bag

Specification

built-in damper

Trademark

Longterm

Origin

Foshan, Guangdong

HS Code

8302420000

Production Capacity

100000 PCS Daily Output

Key features

Soft-Closing Function: Hydraulic mechanism ensures smooth, quiet 45-degree opening and soft closing.

Premium Plating Quality: >20um plated layer with 6 precise finishing operations for durability.

OEM/ODM Support: Custom logo, design, and packaging available with 8+ years experience.

10-Year Warranty: Comprehensive quality guarantee covering mechanical defects for 10 years.

Fast Sample Delivery: Free samples available with 1-2 working days delivery time.

Professional Manufacturer: 18+ years experience, 200+ staff, and 100,000pcs daily output.

Flexible Payment Terms: Supports T/T, L/C at sight, and Western Union for convenience.

Secure Packaging: Multi-layer packing including EPD bag, poly bag, and 5-layer carton.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceQuality AssuranceR&D Capabilities

Guangzhou Longterm Technology Co.,Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 13 years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤7.94h

AI-Powered supplier vetting

SummaryThe supplier is a Foshan-based hardware manufacturer with a production base exceeding 20,000 square meters, nine stated workshops, four production lines, and listed output across hinges, handles, locks, and smart locks. It supports customization from samples and designs and reports established export activity, with 71%–90% of sales from exports and 13 years of exporting. However, it reports no private-mold R&D, no 3D software design service, no SDK availability, and only one year of total R&D engineer experience. Certification management is weak because supplier-management-system certification is listed as NIL. Service controls are mixed: written procedures and records exist for service assessment, but there is no approved-supplier list and no written corrective-action or complaint-handling procedures. Financial evidence is limited to year labels without performance metrics. Customer cases are not provided.

Supplier typeThe supplier identifies itself as GUANGDONG HYH HARDWARE INDUSTRIAL Co., Ltd., operates from Foshan, China, and describes a factory with more than 20,000 square meters, nine workshops, and hardware manufacturing equipment. Its listed products and facilities support classification as a hardware manufacturer rather than a purely trading or service company.

CertificationsThe supplier-management-system certification field is explicitly listed as “NIL.” No other certification evidence is provided in the supplied slices, so the available evidence indicates a certification shortfall for this field.

After-Sales capabilityThe supplier has written procedures and followed records for assessing service capability, and it offers defined quotation and payment terms with a stated one-month lead time in both peak and off-season periods. However, it has no written corrective/preventive-action procedures or records and no written customer-complaint-handling procedures, which directly weakens after-sales governance.

R&D capabilityThe company description states that it has an R&D department for novel and popular designs, but the detailed capability data reports no private-mold R&D, no professional-technical-supplier capability, no 3D software design service, no SDK availability, and only one year of total R&D engineer experience. These explicit limitations outweigh the general statement about having an R&D department.

Production capacityThe supplier reports four production lines, nine workshops, integrated manufacturing equipment, and output covering multiple hardware categories, including 6,000,000 door hinges, 2,000,000 cabinet handles and knobs, 600,000 door-lock sets, 120,000 smart locks, and 6,000,000 cabinet hinges. Finished-product inspection instructions are uniformly followed, but the factory does not continuously reconcile quantities for each batch or production lot.

Customization capabilityThe supplier explicitly offers customization from samples and customization from designs. This directly supports product customization, although the supplier separately states that it does not provide 3D software design services and has no private molds.

Product Q&A

Q:Are you a factory or trading company?

We are a professional manufacturer, GUANGZHOU LONGTERM HARDWARE CO.,LTD, a subsidiary of Guangdong Yunhui Industrial Limited Company, specializing in high-quality furniture hardware.

Q:Where is your factory located?

Our factory is located in Foshan, established in 1992, with 20,000 sqm facility and over 100 employees. It is 30 minutes from Guangzhou CBD and Baiyun International Airport.

Q:Can you produce handles as per customer design?

Yes, we have an R&D department handling OEM/ODM since 2007. Please provide samples or 3D drawings, and we will offer the best price.

Q:How does your factory control quality?

We inspect every process including die-casting, polishing, and electroplating. Each product undergoes 100% inspection by QC staff before packing.

Q:What is your packing method?

Products are packed with EPD bag, thick poly bag, hardboard inner box, and 5-layer master carton. Pallets are available upon request with additional charges.