Can we get your sample?

Of course. But I am sorry to say that you need to be charged with the freight and sample cost. After all, only a paid sample is valuable and precious.

Can I see your certification?

Of course. Because our certification is numerous, we can not display evey one, we will give you at any time when you ask for it.

Could I visit your factory or office?

Sure, just please tell us in advance, if our time is available, we can pick you up in case you don't know the road to our office or factory.

Professional Customization 304 Stainless Steel Spring Hinge for Door

Name: Professional Customization 304 Stainless Steel Spring Hinge for Door
Brand: Guangzhou Lockvel Security Technologies Co., Ltd.
SKU: 708308861

Guangdong, ChinaGuangzhou Lockvel Security Technologies Co., Ltd.

US$1.50

500-999 Pieces

US$1.40

1,000-1,499 Pieces

US$1.20

1,500-1,999 Pieces

US$0.88

2,000+ Pieces

Sample price:US$1.50/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Chrome Plated

Model NO.

3KSP1

Material

Stainless Steel

Delivery Time

25-30days

Application

Metal or Wooden Door

Transport Package

Inner Plastic Bag, Outer Carton Box

Specification

Normal Size

Trademark

LOCKVEL

Origin

Guangzhou, China

HS Code

8302100000

Production Capacity

100000 Pieces Per Month

Key features

Premium 304 Stainless Steel: Constructed from high-quality SS304 material for durability and corrosion resistance.

Wide Size Options: Available in 4'', 4.5'', and 5'' sizes with thicknesses from 3mm to 4.8mm.

High Load Capacity: Supports standard doors up to 80kg and heavy-duty doors up to 120kg.

Extensive Certifications: Holds EN12209, EN1154, EN1527, ANSI A156.13, and EN1935 certificates.

Long Service Life: Tested for 200,000 cycles ensuring reliable performance over time.

Customizable Finish: Offers various finishes including SS, PSS, AB, AC, GP, and PVD.

Flexible Bearing Options: Available with 2BB or 4BB bearing configurations for smooth operation.

Professional OEM/ODM: Specializes in designing, manufacturing, and trading for global projects.

Company profile

High Repeat Buyers ChoiceSelf-branded

Guangzhou Lockvel Security Technologies Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-03-05Nearest Port: Guangzhou portAverage Response Time: ≤8.25hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CIF, FAS, DDP, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and ODM/OEM capabilities, supported by product development activity and design tools. It reports production-related infrastructure, inventory capacity, valid contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season periods. Quality assurance is reported, with two inspectors and several testing facilities; however, finished-product inspections and corrective/preventive actions lack written records. Innovation evidence is mixed: the supplier has developed new products and offers ODM services, but reports zero patents and no available SDK, while formal R&D audit documentation is unavailable. Export experience is established, but overseas service infrastructure is limited, with no overseas branches, agents, warehouse, showroom, or trade-show participation. Certification, after-sales service, and customer-case evidence are insufficiently documented.

Supplier typeThe supplier operates as a manufacturer offering OEM and ODM services, customization, inventory support, and export services. It has exported for six years, with exports representing 11%–20% of total sales, but has no overseas branches or agents.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with followed records, which supports complaint-response capability. However, no broader after-sales service scope, overseas service network, branch, agent, warehouse, or showroom is reported.

R&D capabilityThe supplier reports new product development during the past year, ODM services, and R&D design using PS, AI, and CAD. Countervailing limitations include zero patents, no SDK, and no R&D design input, output, review, verification, or validation documents available for audit.

Production capacityProduction capability is supported by assembly and product-life testing equipment, a stated production base across several locations, inventory capacity, valid manufacturing contracts with associated subcontractors, and lead times within 15 working days in both peak and off-season. The inspection process has instructions but no written records, limiting process-documentation strength.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization. Its R&D engineers develop products according to customer requirements, indicating broad customer-specific design support.

Product Q&A

Q:Are you a OEM or ODM company?

In a word, we specialize in devising, manufacturing and trading.

Q:Could we obtain your product in other place except in GuangZhou?

Of course, our distributors spread in every corner of china. Such as, Changsha, Kunming, Shanghai, Shenzhen etc.

Q:Have your company involved foreign trade before?

Sure, our products are highly appreciated in europe, north american and southest asian markets. Although our company are giving priority to domestic markets at present, oversea markets will be the focus of our work in near future.

Q:Why do I choose you?

Our company lay stress on the product quality contruction, moreover, mutal benefit and credit transaction is our company's core philosophy, furthermore,we have a series of professional certificate.

Q:How do your company manage your production site?

We strictly implement the 5S management (SEIRI,SEITON,SEISO,SETKETSU,SHTSUKE), which can improve product quality, reduce deffective rate efficiently.