What certifications do the products have?

Products are certified with CE, WATERMARK, and Aenor.

What is the expected lifespan of the product?

The product is guaranteed for 50 years of use.

What types of fittings do these sleeves fit?

They fit Brass fittings and PPSU fittings.

20mm 304# Stainless Steel Sleeves with 3 Holes

Name: 20mm 304# Stainless Steel Sleeves with 3 Holes
Brand: Hangzhou Mark Technological Co., Ltd.
SKU: 2209516175

Zhejiang, ChinaHangzhou Mark Technological Co., Ltd.

US$0.039

5,000-9,999 Pieces

US$0.038

10,000-29,999 Pieces

US$0.037

30,000+ Pieces

Sample price:US$0.04/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

MKSS20

Material

Stainless Steel

Connection

Press Connection

Color

Sliver

Material Type

304#

Use for

Press Fitting

Fit for

Brass Fitting and PPSU Fitting

Transport Package

Carton

Specification

20mm

Trademark

oem

Origin

Zhejiang China

HS Code

7412201000

Production Capacity

30000PCS/Day

Key features

Durable 304 Stainless Steel: Made from high-quality 304# stainless steel for long-lasting performance.

50-Year Usage Guarantee: Products are guaranteed for 50 years of use under normal conditions.

Multiple Size Options: Available in sizes 16, 18, 20, 25, 26, 32, 40, 50, 63, and 75mm.

Comprehensive Certifications: Certified with CE, WATERMARK, and Aenor standards for safety and quality.

ISO9001 Quality System: Manufactured under strict ISO9001 systems ensuring high and stable quality.

Fast Delivery Time: Delivery within 20-25 days after order confirmation.

OEM and Customization: Supports OEM logo printing and custom packaging requirements.

Versatile Hole Types: Available in TH, U, B, RF, H, and F hole types for various fittings.

Company profile

Hangzhou Mark Technological Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2011-12-11Nearest Port: NINGBO PORT, SHANGHAI PORTAverage Response Time: ≤8.06hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryHangzhou Mark Technological Co., Ltd. is identified as a China-based limited company in Zhejiang, with conflicting classification as both a trading company and manufacturer/factory. It supplies plastic piping systems, fittings, tools, and PE pipe production-line auxiliary equipment. The supplier reports ISO 9001 and ISO 14001 management certifications, 6–10 quality-control staff, 10 production lines, and 6–10 years of R&D engineer experience. It states that 90% of sales are exports, has self-operated import/export rights, and serves multiple global regions. Export records indicate shipments to the US through Ningbo and Pusan, including metal-reinforced tubes and pipe-related products, with one associated buyer named. Evidence supports production, export, certification, and R&D capabilities, but after-sales processes, financial credibility, customization performance, and the depth of customer references remain insufficiently documented.

CertificationsThe supplier reports ISO 9001 and ISO 14001 management-system certifications and states that its products are produced under ISO 9001 with CE certification. These statements provide explicit evidence of certification holdings, although certificate scope and validity dates are not provided.

R&D capabilityThe supplier states that it endeavors to research and develop new technology and reports 6–10 years of R&D engineer experience. This supports an R&D capability, but no specific innovations, patents, development projects, or measurable outcomes are provided.

Production capacityThe supplier reports 10 production lines, 6–10 quality-control staff, and one-month order fulfillment during both off-peak and peak seasons. Its stated product scope includes piping products and PE pipe production-line auxiliary equipment, supporting a substantive production capability.

Client casesThe supplier states that it has exported to more than 20 countries, and shipment records identify the US as an import destination and ENGINEERED SPECIALTIES LLC as an associated buyer. These records support international customer activity, but they provide limited detail on project scope, repeat business, performance, or customer satisfaction.