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Water Load Proof Water Bags Test Weights for Overhead Crane
US$1,000.00-20,000.00
1 Piece
Product profile
Customization
AvailableColor
Yellow, CustomizedType
Crane Load Test Water BagsModel NO.
PLB-30Application
Crane, Davit, Hoist Load TestMaterial
PVC Coated Polyester FabricSafety Factor
6:1Productive Technology
Hf (RF) Welding SeamCertificatts
ISO, SGS, BV, Lr, ABSTransport Package
Plywood Box for Crane Load Test Water Weight BagSpecification
1~100tonTrademark
Dooflex/ DoowinOrigin
Shandong, ChinaHS Code
8907900090Production Capacity
5000 Sets/YearKey features
Customizable Color: Available in yellow or customized colors to meet specific project requirements.
High Safety Factor: Designed with a minimum 6:1 safety factor for crane load testing applications.
Wide Capacity Range: Models available from 1,000kg to 100,000kg for diverse lifting equipment tests.
Durable Material: Constructed from PVC coated polyester fabric for long-lasting performance.
Multiple Certifications: Holds ISO, SGS, BV, LR, ABS, and TUV NEL Type Certification.
Fast Delivery: Standard sizes kept in stock for ready shipment; lead time within 15 workdays.
Versatile Application: Suitable for cranes, davits, bridges, beams, and maritime or oil & gas industries.
Flexible Service: Offers rental services, contract testing projects, and custom design capabilities.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2011-01-01Nearest Port: QingdaoAverage Response Time: ≤18hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DAP, FCA, EXW
AI-Powered supplier vetting
SummaryQingdao Doowin Rubber And Plastic Co., Ltd. is a manufacturer located in Qingdao, China, specializing in industrial equipment like underwater lift bags and marine products. The company operates more than 10 production lines and exports primarily to diverse markets globally. It holds an ISO 9001 certification, indicating a commitment to quality management. The company has been exporting since 2011, with a significant portion of sales from exports. The firm is relatively small, with limited R&D and quality control staff, and it accepts various international trade and payment terms.
Supplier typeQingdao Doowin Rubber And Plastic Co., Ltd. is a manufacturer/factory, registered as a limited company in China.
CertificationsThe company holds an ISO 9001 certification, demonstrating adherence to quality management standards.
R&D capabilityThe company has less than five R&D engineers, suggesting limited innovation capability.
Production capacityWith over 10 production lines and a significant export capacity, the supplier demonstrates strong production capability.
Product Q&A
Q:How long is the warranty period?
A:
The warranty period is 12 months or 18 months from the shipping date.
Q:Do you provide rent service, contract service?
A:
We have many water bags and air lift bags ready for rent service for clients all over the world. We have ability to design and can contract the load testing project, with our own water bags and workers.
Q:What is the production standard and safety factor?
A:
All underwater air lift bags are manufactured in compliance with IMCA D016, safety factor is 5:1. All crane load test water bags are manufactured in compliance with LEEA051, safety factor is 6:1.
Q:Do you have stock?
A:
We have many normal size underwater air lift bags and load test water bags in stock. Ready for shipment.
Send Inquiry
*To:
Qingdao Doowin Rubber And Plastic Co., Ltd.
Qingdao Doowin Rubber And Plastic Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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