About us
Shanghai Supreme Technology Co.,Ltd

Shanghai Supreme Technology Co.,Ltd, established in 2007, is a professional manufacturer engaged in research, development, production, sale and service of outdoor sports bags,including fishing dry bag,waterproof backpack,out door cooler bag,swimming bag,etc. 

We have own factory located in Zhejiang province with about 3000 m²,and just about half one hour distance from Yiwu Station. In recent years, our factory has introduced a series of advanced equipment including UV digital printing machine, Heat transfer printing machine, Fiber laser marking machine, Carbon dioxide laser marking machine, Computer embroidery machine, so that we can accept more OEM and ODM orders from customers.

Our products always mainly exported to United states, European, Southeast Asia, Australia, and other countries in the world, certainly some big brands like Walmart, Target, Mary Kay, Gap, Carrefour are all our normal customers.

In order to offer good services, we have about 15-20 professional sales, and they always give our customers most professional products services in 24 hours, in case of that, we have almost no any complaints from customers.

Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction, Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.

Looking forwarder to have a long time business cooperation with you.

Alliance waterproof dry bag Stay with you!
Whether you're commuting to work or class in a downpour or heading off on an outdoor adventure, keeping your essentials dry is an absolute must. If the forecast calls for a chance of rain — no matter if you're fishing, kayaking, paddle boarding, canoeing, boating, hiking, or commuting across town — a basic backpack isn't guaranteed to protect your gear from the elements.

But a waterproof backpack will. So even if you are dripping like a wet dog, at least your gear and valuables will be dry inside one of these best waterproof backpacks.

Top-Quality Waterproof Dry Bags for Your Outdoor Escapades
We do OEM&ODM
do what you want!
What we offered Waterproof dry bags are a type of flexible container designed to keep your gear dry in a variety of conditions and are commonly used in kayaking, canoeing, rafting, camping,hiking,climbing,cycling,running,and other outdoor sport activities. They often have a roll-top style closure with compression straps or a waterproof zip top with zipper seals similar to the ones used on heavy-duty plastic freezer bags.

We do OEM&ODM,if you have any request on bag’s style,size,functions,material,etc. Pls contact with us, We will provide a product that satisfies you according to your requirements.