What is your terms of packing?

Generally, we pack our products in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the products in your branded boxes with your authorization letter.

Do you test all your goods before delivery?

Our testing methods are diversified and can provide qualified company testing to meet EU standards and more customer requirements

Are you a factory or trading company?

Integrating production and trade, verified by SGS. TANJA is a direct factory of industrial hardware products, TANJA company specializing in manufacturing toggle latches,locks,hinges,handle etc. for more than 20 years .

High Quality Door Hinges Free Stop Torque Stainless Steel Any Stop Constant Hinge

Name: High Quality Door Hinges Free Stop Torque Stainless Steel Any Stop Constant Hinge
Brand: Tanja Industrial(Shandong)Co., Ltd
SKU: 1976834632

Shandong, ChinaTanja Industrial(Shandong)Co., Ltd

US$2.80

1 Piece

Sample price:US$4.10/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

After-Sales Service

Yes

Model NO.

K223

Warranty

One Year

Type

Fixed Tirque Hinge

Finish

Polished

Product Name

Fixed Torque Hinge

Color

Silver

Function

Fixed Torque

Weight

35g;71g

Installation

Exposed Mount

Feature

Any Stop Specification at Any Angle Canbe Maintain

Certification

ISO9001

Transport Package

Cartons+Pallets

Specification

Different sizes

Trademark

TANJA

Origin

Yantai, Shandong, China

HS Code

8302100000

Production Capacity

10000PCS/Month

Key features

Stainless Steel 304 Material: Constructed from high-quality Stainless Steel 304 for durability and corrosion resistance.

Any Angle Stop Function: Maintains any stop specification at any angle with constant reciprocating torque.

Polished Surface Finish: Features a polished surface treatment for a refined and professional appearance.

One Year Warranty: Comes with a comprehensive one-year warranty for peace of mind.

ISO9001 Certified: Manufacturing process certified under ISO9001 standards for quality assurance.

OEM and ODM Support: Accepts OEM and ODM orders with independent development capabilities and mold building.

Versatile Applications: Suitable for LCD monitors, surveillance cameras, aviation, high-speed rail, and nuclear power.

Direct Factory Source: Verified by SGS as a direct factory with over 20 years of production experience.

Company profile

In-stock CapacityYears of Export ExperienceExperienced TeamStandardized quality control

Tanja Industrial(Shandong)Co., Ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-06-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.75h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 71 employees and offers toggle latches, hinges, door fittings, panel cabinet locks, indexing plungers, and handles. It demonstrates broad manufacturing and service capabilities, including more than 10 production lines, in-stock capacity, valid manufacturing contracts, quality assurance procedures, complaint-handling and corrective-action records, and export experience in South America, Europe, and North America. Its R&D profile is comparatively strong: it provides 3D design, ODM, OEM, SDK, flexible customization, and documented design review, verification, and validation activities. The supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications. However, it has no overseas warehouse, showroom, agent, or branch, reports no overseas service countries, and lacks a factory environmental impact assessment report. Financial information identifies reporting years but provides no substantive performance data. No specific customer case details are provided.

Supplier typeThe supplier is identified as a limited company, has 71 employees, is not part of a larger company group, and reports no cooperative suppliers. Its product scope covers six industrial hardware categories, indicating a standalone, specialized supplier structure.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, covering quality, occupational health and safety, and environmental management. It also conducted regular fire drills during the past year, although no factory environmental impact assessment report is available.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling, while its technical engineers provide production and after-sales technical support. It has in-stock service capacity and has attended CIIF 2025, but lacks overseas warehouses, showrooms, agents, and branches, with overseas services reported in zero countries.

R&D capabilityThe supplier reports new products during the past year, six R&D engineers, 3D software design, ODM capability, an available SDK, and documented design input, output, review, verification, and confirmation records. R&D engineers also handle customer requirements, technical support, and new product development, providing explicit evidence of active innovation capability.

Production capacityThe supplier operates more than 10 production lines, reports substantial product-specific output capacities, has six to ten quality-control staff, maintains in-stock capacity, and holds valid manufacturing contracts with associated subcontractors. Its quality-control processes include stated quality assurance, corrective-action procedures, and complaint-handling records.

Customization capabilityThe supplier explicitly supports customization from samples, customer designs, full customization, minor customization, and flexible customization. Its ODM service, OEM experience for well-known brands, 3D design service, and SDK availability further support a broad customization offering.