How long is the shelf life of the product?

Not used in package: one year After the adhesive tape is sent out and used: 3 ~ 20 years (according to product type)

Silicon Windows Doors Weatherproof Neutral Adhesive Silicone Sealant

Name: Silicon Windows Doors Weatherproof Neutral Adhesive Silicone Sealant
Brand: QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.
SKU: 2104054042

Shandong, ChinaQINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

US$1.80

1,000-4,999 Pieces

US$0.40

5,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Raw Material

100% HDPE

Size

300ml

Usge

Window Glass

Transport Package

Standard Exprot Package

Specification

300ml

Trademark

Origin

China

HS Code

73170000

Production Capacity

50000t/Month

Key features

Neutral Silicone Sealant: High density structural adhesive suitable for window glass and construction applications.

OEM Service Available: We can produce goods according to clients' specific demands and customization options.

Fast Delivery: Orders can be finished totally in 7 days, depending on the production schedule.

Quality Assurance: ISO 9001-2008 certified with advanced equipment and professional quality control.

Competitive Pricing: Direct factory price with high quality materials and economical solutions.

Long Shelf Life: Unopened package lasts one year; used product lasts 3 to 20 years depending on type.

Free Samples: Samples are usually provided free of charge for customer evaluation.

Professional Manufacturer: 20 years of experience in R&D and manufacturing of sealants and adhesives.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedNational Award received

QINGDAO ZONGYU INDUSTRY AND TRADE CO., LTD.

Shandong, 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: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.25h

AI-Powered supplier vetting

SummaryThe supplier is a Qingdao-based manufacturer and trading company with a broad registered business scope covering mechanical equipment, metal products, automotive parts, plastic products, building materials, and import/export activities. It reports ISO 9001, 14001, and 18001 certification history, eight production lines, 50 quality-control staff, and stated production capacity for several nail categories. The supplier offers customization from designs and samples, ODM, and OEM services for well-known brands. However, it reported no new products in the past year, lacks overseas warehouses, showrooms, agents, or branches, and has weak documented service-management controls: no written service-assessment or corrective-action procedures and no complaint-handling records. Financial information is identified for 2021–2023, but the slices do not provide performance values, so financial credibility cannot be fully assessed.

Supplier typeThe supplier operates as a manufacturer and trading company: its registered scope includes sales and import/export activities, while its factory information reports eight production lines and product-specific output. Its company description also states more than 20 years of development and business relationships across Europe, America, Southeast Asia, and Africa.

CertificationsThe supplier states that it passed ISO 9001, ISO 14001, and ISO 18001 international management-system certifications in 2001. This is explicit certification evidence, although the slice does not provide current certificate validity or renewal details.

After-Sales capabilityThe supplier has a complaint-handling procedure but no written complaint records, and it lacks written procedures or records for service-capability assessment and corrective/preventive actions. It has participated in the Canton Fair but reports no overseas warehouses, showrooms, agents, or branches, limiting evidence of structured overseas after-sales support.

R&D capabilityThe supplier reports ODM capability, an available SDK, and one internationally recognized design award. However, it also states that no new products were developed in the past year; this indicates some design and development resources but limited recent product-innovation evidence.

Production capacityThe supplier reports eight production lines, 50 quality-control staff, and stated annual outputs of 10,000 tons each for U-type, roofing, twisted, clout, and common nails. It also reports a one-month average lead time in both peak and off-season, supporting evidence of established production capacity, though the stated output figures are supplier-reported and not independently verified.

Customization capabilityThe supplier explicitly provides customization from customer designs and samples, ODM services, and OEM services for well-known brands. These statements directly demonstrate multiple forms of customization and contract-manufacturing capability.

Product Q&A

Q:Can I get a sample?

Yes, the samples usually are free for customers.

Q:Can you provide OEM service?

Yes, we can produce the goods according to clients' demands.

Q:How can you guarantee the quality?

We have advanced equipment and professional engineer and quality controler to ensure the quality of the goods. And we will send extra goods for insurance. Besides, we have satisified after-service.

Q:What is the MOQ?

1000 pcs.

Q:How long you will finish my order?

Totally in 7 days.(The specific situation depends on the production schedule of the production department)

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Silicon Windows Doors Weatherproof Neutral Adhesive Silicone Sealant