What certifications do your products have?

Our products hold TUV, CE, and ISO certificates, along with various international certifications like UL/FM, CRN, and DVGW.

Round Steel Kee Clamping for Greenhouse

Name: Round Steel Kee Clamping for Greenhouse
Brand: Qingdao Hulk Metal Technology Co., Ltd.
SKU: 1913807985

Shandong, ChinaQingdao Hulk Metal Technology Co., Ltd.

US$1.05-3.35

500 Pieces

Sample price:US$1.05/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quality Assurance

Warranty

5 Years

Model NO.

HM 140

Connection

Press Connection

Shape

Equal

Head Code

Round

Angle

45 Degree

Wall Thickness

No Standard

Material

Malleable Iron

Technics

Casting

Certification

TUV, ISO, CE

Color

Silver

Screw Material

Stainless Steel

Tensile Strength

≥350MPa

Elongation

≥10%

Hardness

Hb≤150

Size Available

T-E(21.3-60.3mm)

Standard Surface

Hot-DIP Galvanized

Name

Round Steel Kee Clamping for Greenhouse

Application

Handrail and Railing

Transport Package

Cartons Then Plywood Pallet

Specification

Cast Iron

Trademark

HM & OEM

Origin

Shandong, China (Mainland)

Production Capacity

10000 PCS/Month

Key features

Corrosion Resistant Finish: Hot-dip galvanized surface treatment meeting ASTM A153 for anti-rusting and corrosion protection.

Global Certifications: Certified by TUV, CE, ISO, UL/FM, and other international standards for diverse markets.

Easy Installation: Designed for quick assembly without specialized tradesmen, welding, or fire permits.

5-Year Warranty: Comprehensive 5-year warranty coverage ensuring long-term product reliability and quality assurance.

Versatile Size Range: Available in six sizes (T-E 21.3-60.3mm) to fit various pipe diameters for modular structures.

Company profile

High Repeat Buyers ChoiceOEM ServicesManagement CertificationProduct Certification

Qingdao Hulk Metal Technology Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2002-11-01Nearest Port: Qingdao, Shanghai, NningboAverage Response Time: ≤3.02hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, ODM, OEM, and multiple customization options. It has five R&D engineers, launched new products during the past year, and provides aluminum die-casting parts. Certifications include ISO9001:2015, ISO45001:2018, ISO14001, and CE. Documented corrective-action and customer-complaint procedures are in place, while quality assurance status and raw-material traceability remain unknown. The supplier reports in-stock capability but lacks overseas warehouses, showrooms, agents or branches, and offline trade-show participation. Its company description states coverage of more than 100 countries and regions, but the overseas-service field separately records zero countries, creating an inconsistency. No financial figures are assessed. Customer evidence includes reported cooperation with many companies globally, but no Fortune 500 cooperation is stated.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and describes itself as serving companies across more than 100 countries and regions. It also states that it can use customer information, samples, and drawings to meet special requirements, supporting its role as a technical and solution-oriented manufacturer.

CertificationsThe supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications, and has CE product-compliance certification. These are explicit certifications supporting quality, occupational safety, environmental management, and product compliance.

After-Sales capabilityThe company description explicitly refers to perfect after-sales service. It also has documented corrective and preventive action and customer-complaint procedures with followed records, although the overall quality-assurance status is unknown.

R&D capabilityThe supplier has five R&D engineers, launched new products during the past year, provides 3D software design, and offers ODM services. However, it explicitly has no available SDK, which limits the evidence for broader technical-integration capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, 3D software design, and ODM services. Its request for customer samples and drawings further supports the stated ability to handle customized requirements.

Product Q&A

Q:How can I get your prices of kee clamp?

Please provide your detail inquiry list which including items, surface requirement and estimated order quantity. Then detail quotation will be provided.

Q:Can I have a sample before business start?

Yes, we welcome sample order to test and check our quality. Usually samples are free and you just need to pay the courier cost by FedEx or DHL.

Q:What's about the lead time of order?

Sample order usually need 5-7 days after order confirmation. Mass production order usually need 30-40 days after prepayment received.

Q:What material is used for the pipe clamps?

The clamps are made of Malleable Iron in accordance with ASTM A197, ensuring good mechanical strength and elongation.

Q:What surface treatments are available?

Three kinds of standard surface treatments are provided: Raw Rough Black, Hot-dip Galvanized, and Electro Galvanized (Double Coating).