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High Quality China Overhead Proof Weight Testing Load Test Crane Bags
US$1,000.00-20,000.00
1 Piece
Product profile
Customization
AvailableColor
Yellow, CustomizedWater Bag Material
PVCModel NO.
PLBSafety Factor
6:1Production Standard
Leea 051Water Bag Certificate
SGS, BV, Lr, ISO 9001Water Bag Model
PlbWater Bag Capacity
1000kg-50000kgWater Bag Diameter
1.3m-4.6mWater Bag Height
2.2m-7.8mWater Bag Application
Proof Load Test Water BagOEM
AcceptTransport Package
Polywood Box for ShpingSpecification
PLBTrademark
DOOWIN, DOOFLEXOrigin
Shandong, ChinaProduction Capacity
10 Pieces/ WeekKey features
High Safety Factor: 6:1 safety factor ensures maximum reliability during heavy load testing operations.
Wide Capacity Range: Available in capacities from 1 ton to 100 tons to meet diverse testing needs.
Customizable Options: Color and OEM services are customizable to suit specific client requirements.
Certified Quality: Manufactured to LEEA 051 standard with SGS, BV, LR, and ISO 9001 certifications.
Durable Material: Constructed from SGS certificated PVC coating fabric with HF welding seams.
Fast Sample Order: Low MOQ of 1 unit allows for easy sample purchasing and quick evaluation.
Ready Stock: Many normal size bags are kept in stock for immediate shipment.
Comprehensive Warranty: 12 to 18 months warranty period provided from the shipping date.
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:What 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.
Q:What is the MOQ for samples?
A:
Sample MOQ is 1 unit. You could buy 1 pc as sample.
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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