Zhejiang Shuangyuan Industry & Trade Co., Ltd. mainly produces hitch balls, trailer covers, tow ropes and dragging hooks. We can produce 800,000 hitch balls and 300,000 trailer covers every year. Our products have complete specifications and reliable quality.

Our company occupies an area of 58,000 square meters including a building area of 30,000 square meters. At present, we possess the largest modern industrial workshop.

Our company carries out the business strategy of "science and technology, human resource, famous brand, continuous development", and implements product development principle of "We have what others do not have, we have the best of what others have, and we have the unique among the best". The quality system of ISO9000 assures the stability and improvement of product quality. In the fierce market competition, our company would always rely on the innovative advantages of human resource and scientific management and always promise you that "what you require, we will try hard to make".

We provide OEM service for several prominent trailer manufacturers. Items of different sizes and patterns are available.