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Company Profile
Qingdao Doowin Rubber and Plastic Co., Ltd. is a leading manufacturer of underwater air lifting bags, proof load testing water weight bags, lifeboat & Davit test water bags, salvage tubes & Pontoons, pipeline buoyancy bags, pipe plugs, ship launching marine rubber airbags, pneumatic rubber fenders, offshore buoys, foam-filled fenders, liquid storage pillow tanks, and other products made of heavy-duty PVC or TPU coating fabric. We also provide crane load testing service, and rental airlift bags and water-filled weight bags. DOOWIN underwater air lift bags include parachute type lifting bags and totally enclosed type lifting bags. The parachute type lifting bags have open bottom type air lift bags and enclosed type air lift bags. The sealed type lifting bags include cylindrical shape enclosed air lift bags, pillow type air lift bags, elongated air lift bags, individual buoyancy bags, vertical buoyancy bags, and twin inflatable buoyancy units. These air lifting bags can be used... [View More..]
Contact Us
FAQ (Frequently Asked Questions)1. Where is your company located?Qingdao Doowin Rubber And Plastic Co., Ltd. is located in Shandong in China. We welcome inquiries and visits by appointment. For further details or scheduling, please through the contact us page submit the form to contact us. 2. What products do you mainly export?Our main products are Underwater Lift Bags, Water Weight Bags, Marine Salvage Bags, Proof Load Bags, Pipeline Buoyancy Units, Water Tanks, Air Lifting Bags, Water Bags, Crane Test Water Weight Bags, Boat Fenders. Product availability and specifications may vary. For the most accurate and up-to-date information, please through the contact us page submit the form to contact us. 3. Can you handle shipping and customs?We can assist with shipping arrangements including FOB, CIF, and other terms depending on your needs. Customs clearance varies by country and shipment. For specific shipping options and customs support, please through the contact us page submit the form to contact us. 4. What payment terms do you accept?Common payment terms include T/T (telegraphic transfer), L/C (letter of credit), and Western Union. Specific terms depend on the order size and client agreement. For tailored payment options, please through the contact us page submit the form to contact us. 5. Can I get samples before placing a bulk order?Yes, we usually provide samples for quality evaluation. Sample fees and shipping costs may apply, which can be deducted after order confirmation. Please through the contact us page submit the form to contact us to request samples and related terms. 6. How do you control quality?We have strict quality control procedures during production, including inspections and testing. For specific quality assurance details or certifications, please through the contact us page submit the form to contact us. 7. What is the usual lead time for orders?Lead time generally depends on the product type and order quantity, typically ranging from 3 to 30 days. For accurate lead times, please through the contact us page submit the form to contact us. 8. Do you provide OEM or custom packaging?Yes, we support OEM and custom packaging services according to customer requirements. For more details and MOQ, please through the contact us page submit the form to contact us. 9. Can I visit your company or have a video factory tour?Yes, visitors are welcome by appointment. We can also provide video tours for remote clients. For scheduling, please through the contact us page submit the form to contact us. |
