Dalian Dehua Science & Technology Development Co., Ltd. was established in 2006 in China.



We are professional in the spooling technology of winches. We know winch spooling device operation rule and design key. We are specialized in design and manufacturing level wind screws (or be known as winch spooling shafts, diamond screws, self reversing screws) and nut (or be known as spooling pawls, tongues, nut) for the customers. The level wind screws we made can be used onto various kinds of winches and coiled tubing units and water reels etc.



The level wind...